Home / 457,837.25-686,854.29-154,261.58

Finding the Fourth Proportional to 457,837.25, 686,854.29 and 154,261.58

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Solution

The fourth proportional to 457,837.25, 686,854.29 and 154,261.58 is: 231,425.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,837.25 : 686,854.29 = 154,261.58 : x
  2. Step 2: Convert to fraction form
    457,837.25/686,854.29 = 154,261.58/x
  3. Step 3: Cross multiply
    457,837.25x = 686,854.29 × 154,261.58
  4. Step 4: Simplify right side
    457,837.25x = 105,955,224,570.91
  5. Step 5: Solve for x
    x = 105,955,224,570.91/457,837.25
  6. Step 6: Final answer
    x = 231,425.52

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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.