Home / 238,617.04-357,849.47-78,663.15

Finding the Fourth Proportional to 238,617.04, 357,849.47 and 78,663.15

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Solution

The fourth proportional to 238,617.04, 357,849.47 and 78,663.15 is: 117,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,617.04 : 357,849.47 = 78,663.15 : x
  2. Step 2: Convert to fraction form
    238,617.04/357,849.47 = 78,663.15/x
  3. Step 3: Cross multiply
    238,617.04x = 357,849.47 × 78,663.15
  4. Step 4: Simplify right side
    238,617.04x = 28,149,566,511.45
  5. Step 5: Solve for x
    x = 28,149,566,511.45/238,617.04
  6. Step 6: Final answer
    x = 117,969.64

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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.