Home / 216,985.72-325,494.17-74,828.95

Finding the Fourth Proportional to 216,985.72, 325,494.17 and 74,828.95

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Solution

The fourth proportional to 216,985.72, 325,494.17 and 74,828.95 is: 112,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,985.72 : 325,494.17 = 74,828.95 : x
  2. Step 2: Convert to fraction form
    216,985.72/325,494.17 = 74,828.95/x
  3. Step 3: Cross multiply
    216,985.72x = 325,494.17 × 74,828.95
  4. Step 4: Simplify right side
    216,985.72x = 24,356,386,972.22
  5. Step 5: Solve for x
    x = 24,356,386,972.22/216,985.72
  6. Step 6: Final answer
    x = 112,248.80

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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.