Home / 219,332.93-329,002.11-77,182.47

Finding the Fourth Proportional to 219,332.93, 329,002.11 and 77,182.47

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Solution

The fourth proportional to 219,332.93, 329,002.11 and 77,182.47 is: 115,774.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,332.93 : 329,002.11 = 77,182.47 : x
  2. Step 2: Convert to fraction form
    219,332.93/329,002.11 = 77,182.47/x
  3. Step 3: Cross multiply
    219,332.93x = 329,002.11 × 77,182.47
  4. Step 4: Simplify right side
    219,332.93x = 25,393,195,485.01
  5. Step 5: Solve for x
    x = 25,393,195,485.01/219,332.93
  6. Step 6: Final answer
    x = 115,774.66

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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.