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Finding the Fourth Proportional to 460,595.21, 690,892.81 and 179,915.63

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Solution

The fourth proportional to 460,595.21, 690,892.81 and 179,915.63 is: 269,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,595.21 : 690,892.81 = 179,915.63 : x
  2. Step 2: Convert to fraction form
    460,595.21/690,892.81 = 179,915.63/x
  3. Step 3: Cross multiply
    460,595.21x = 690,892.81 × 179,915.63
  4. Step 4: Simplify right side
    460,595.21x = 124,302,411,269.37
  5. Step 5: Solve for x
    x = 124,302,411,269.37/460,595.21
  6. Step 6: Final answer
    x = 269,873.44

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.