Home / 460,039.40-690,086.66-144,496.30

Finding the Fourth Proportional to 460,039.40, 690,086.66 and 144,496.30

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Solution

The fourth proportional to 460,039.40, 690,086.66 and 144,496.30 is: 216,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,039.40 : 690,086.66 = 144,496.30 : x
  2. Step 2: Convert to fraction form
    460,039.40/690,086.66 = 144,496.30/x
  3. Step 3: Cross multiply
    460,039.40x = 690,086.66 × 144,496.30
  4. Step 4: Simplify right side
    460,039.40x = 99,714,968,326.88
  5. Step 5: Solve for x
    x = 99,714,968,326.88/460,039.40
  6. Step 6: Final answer
    x = 216,753.11

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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.