Home / 284,112.49-392,222.65-207,545.62

Finding the Fourth Proportional to 284,112.49, 392,222.65 and 207,545.62

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Solution

The fourth proportional to 284,112.49, 392,222.65 and 207,545.62 is: 286,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,112.49 : 392,222.65 = 207,545.62 : x
  2. Step 2: Convert to fraction form
    284,112.49/392,222.65 = 207,545.62/x
  3. Step 3: Cross multiply
    284,112.49x = 392,222.65 × 207,545.62
  4. Step 4: Simplify right side
    284,112.49x = 81,404,093,072.29
  5. Step 5: Solve for x
    x = 81,404,093,072.29/284,112.49
  6. Step 6: Final answer
    x = 286,520.64

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1.5x scale

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.