Home / 307,968.30-460,915.65-283,085.10

Finding the Fourth Proportional to 307,968.30, 460,915.65 and 283,085.10

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Solution

The fourth proportional to 307,968.30, 460,915.65 and 283,085.10 is: 423,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,968.30 : 460,915.65 = 283,085.10 : x
  2. Step 2: Convert to fraction form
    307,968.30/460,915.65 = 283,085.10/x
  3. Step 3: Cross multiply
    307,968.30x = 460,915.65 × 283,085.10
  4. Step 4: Simplify right side
    307,968.30x = 130,478,352,871.82
  5. Step 5: Solve for x
    x = 130,478,352,871.82/307,968.30
  6. Step 6: Final answer
    x = 423,674.62

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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.