Home / 216,494.07-324,658.05-74,312.85

Finding the Fourth Proportional to 216,494.07, 324,658.05 and 74,312.85

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Solution

The fourth proportional to 216,494.07, 324,658.05 and 74,312.85 is: 111,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,494.07 : 324,658.05 = 74,312.85 : x
  2. Step 2: Convert to fraction form
    216,494.07/324,658.05 = 74,312.85/x
  3. Step 3: Cross multiply
    216,494.07x = 324,658.05 × 74,312.85
  4. Step 4: Simplify right side
    216,494.07x = 24,126,264,970.94
  5. Step 5: Solve for x
    x = 24,126,264,970.94/216,494.07
  6. Step 6: Final answer
    x = 111,440.77

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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.