Home / 282,256.52-425,074.43-257,062.28

Finding the Fourth Proportional to 282,256.52, 425,074.43 and 257,062.28

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Solution

The fourth proportional to 282,256.52, 425,074.43 and 257,062.28 is: 387,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,256.52 : 425,074.43 = 257,062.28 : x
  2. Step 2: Convert to fraction form
    282,256.52/425,074.43 = 257,062.28/x
  3. Step 3: Cross multiply
    282,256.52x = 425,074.43 × 257,062.28
  4. Step 4: Simplify right side
    282,256.52x = 109,270,602,145.50
  5. Step 5: Solve for x
    x = 109,270,602,145.50/282,256.52
  6. Step 6: Final answer
    x = 387,132.25

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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.