Home / 282,255.52-425,072.92-257,061.28

Finding the Fourth Proportional to 282,255.52, 425,072.92 and 257,061.28

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Solution

The fourth proportional to 282,255.52, 425,072.92 and 257,061.28 is: 387,130.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,255.52 : 425,072.92 = 257,061.28 : x
  2. Step 2: Convert to fraction form
    282,255.52/425,072.92 = 257,061.28/x
  3. Step 3: Cross multiply
    282,255.52x = 425,072.92 × 257,061.28
  4. Step 4: Simplify right side
    282,255.52x = 109,269,788,908.54
  5. Step 5: Solve for x
    x = 109,269,788,908.54/282,255.52
  6. Step 6: Final answer
    x = 387,130.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.