Home / 306,044.10-458,847.45-137,426.40

Finding the Fourth Proportional to 306,044.10, 458,847.45 and 137,426.40

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Solution

The fourth proportional to 306,044.10, 458,847.45 and 137,426.40 is: 206,041.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,044.10 : 458,847.45 = 137,426.40 : x
  2. Step 2: Convert to fraction form
    306,044.10/458,847.45 = 137,426.40/x
  3. Step 3: Cross multiply
    306,044.10x = 458,847.45 × 137,426.40
  4. Step 4: Simplify right side
    306,044.10x = 63,057,753,202.68
  5. Step 5: Solve for x
    x = 63,057,753,202.68/306,044.10
  6. Step 6: Final answer
    x = 206,041.39

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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.