Home / 216,320.48-324,124.88-74,087.32

Finding the Fourth Proportional to 216,320.48, 324,124.88 and 74,087.32

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Solution

The fourth proportional to 216,320.48, 324,124.88 and 74,087.32 is: 111,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,320.48 : 324,124.88 = 74,087.32 : x
  2. Step 2: Convert to fraction form
    216,320.48/324,124.88 = 74,087.32/x
  3. Step 3: Cross multiply
    216,320.48x = 324,124.88 × 74,087.32
  4. Step 4: Simplify right side
    216,320.48x = 24,013,543,704.52
  5. Step 5: Solve for x
    x = 24,013,543,704.52/216,320.48
  6. Step 6: Final answer
    x = 111,009.11

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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.