Home / 238,973.32-358,511.82-72,757

Finding the Fourth Proportional to 238,973.32, 358,511.82 and 72,757

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Solution

The fourth proportional to 238,973.32, 358,511.82 and 72,757 is: 109,151.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,973.32 : 358,511.82 = 72,757 : x
  2. Step 2: Convert to fraction form
    238,973.32/358,511.82 = 72,757/x
  3. Step 3: Cross multiply
    238,973.32x = 358,511.82 × 72,757
  4. Step 4: Simplify right side
    238,973.32x = 26,084,244,487.74
  5. Step 5: Solve for x
    x = 26,084,244,487.74/238,973.32
  6. Step 6: Final answer
    x = 109,151.28

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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.