Home / 284,736.93-392,917.23-157,402.50

Finding the Fourth Proportional to 284,736.93, 392,917.23 and 157,402.50

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Solution

The fourth proportional to 284,736.93, 392,917.23 and 157,402.50 is: 217,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,736.93 : 392,917.23 = 157,402.50 : x
  2. Step 2: Convert to fraction form
    284,736.93/392,917.23 = 157,402.50/x
  3. Step 3: Cross multiply
    284,736.93x = 392,917.23 × 157,402.50
  4. Step 4: Simplify right side
    284,736.93x = 61,846,154,295.08
  5. Step 5: Solve for x
    x = 61,846,154,295.08/284,736.93
  6. Step 6: Final answer
    x = 217,204.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.