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Finding the Fourth Proportional to 332,089.82, 498,400.14 and 172,211.21

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Solution

The fourth proportional to 332,089.82, 498,400.14 and 172,211.21 is: 258,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,089.82 : 498,400.14 = 172,211.21 : x
  2. Step 2: Convert to fraction form
    332,089.82/498,400.14 = 172,211.21/x
  3. Step 3: Cross multiply
    332,089.82x = 498,400.14 × 172,211.21
  4. Step 4: Simplify right side
    332,089.82x = 85,830,091,173.57
  5. Step 5: Solve for x
    x = 85,830,091,173.57/332,089.82
  6. Step 6: Final answer
    x = 258,454.45

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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.