Home / 321,922.52-482,875.32-153,561.86

Finding the Fourth Proportional to 321,922.52, 482,875.32 and 153,561.86

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Solution

The fourth proportional to 321,922.52, 482,875.32 and 153,561.86 is: 230,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,922.52 : 482,875.32 = 153,561.86 : x
  2. Step 2: Convert to fraction form
    321,922.52/482,875.32 = 153,561.86/x
  3. Step 3: Cross multiply
    321,922.52x = 482,875.32 × 153,561.86
  4. Step 4: Simplify right side
    321,922.52x = 74,151,232,287.30
  5. Step 5: Solve for x
    x = 74,151,232,287.30/321,922.52
  6. Step 6: Final answer
    x = 230,338.75

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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.