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Finding the Fourth Proportional to 502,098.15, 692,893.17 and 272,653.59

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Solution

The fourth proportional to 502,098.15, 692,893.17 and 272,653.59 is: 376,260.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,098.15 : 692,893.17 = 272,653.59 : x
  2. Step 2: Convert to fraction form
    502,098.15/692,893.17 = 272,653.59/x
  3. Step 3: Cross multiply
    502,098.15x = 692,893.17 × 272,653.59
  4. Step 4: Simplify right side
    502,098.15x = 188,919,810,286.98
  5. Step 5: Solve for x
    x = 188,919,810,286.98/502,098.15
  6. Step 6: Final answer
    x = 376,260.72

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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.