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Finding the Fourth Proportional to 284,365.52, 426,680.16 and 124,420.38

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Solution

The fourth proportional to 284,365.52, 426,680.16 and 124,420.38 is: 186,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,365.52 : 426,680.16 = 124,420.38 : x
  2. Step 2: Convert to fraction form
    284,365.52/426,680.16 = 124,420.38/x
  3. Step 3: Cross multiply
    284,365.52x = 426,680.16 × 124,420.38
  4. Step 4: Simplify right side
    284,365.52x = 53,087,707,645.66
  5. Step 5: Solve for x
    x = 53,087,707,645.66/284,365.52
  6. Step 6: Final answer
    x = 186,688.27

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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.