Home / 216,985.65-325,494.07-74,828.88

Finding the Fourth Proportional to 216,985.65, 325,494.07 and 74,828.88

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Solution

The fourth proportional to 216,985.65, 325,494.07 and 74,828.88 is: 112,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,985.65 : 325,494.07 = 74,828.88 : x
  2. Step 2: Convert to fraction form
    216,985.65/325,494.07 = 74,828.88/x
  3. Step 3: Cross multiply
    216,985.65x = 325,494.07 × 74,828.88
  4. Step 4: Simplify right side
    216,985.65x = 24,356,356,704.74
  5. Step 5: Solve for x
    x = 24,356,356,704.74/216,985.65
  6. Step 6: Final answer
    x = 112,248.70

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1.5x scale

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.