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Finding the Fourth Proportional to 288,704.30, 432,211.98 and 168,393.38

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Solution

The fourth proportional to 288,704.30, 432,211.98 and 168,393.38 is: 252,097.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,704.30 : 432,211.98 = 168,393.38 : x
  2. Step 2: Convert to fraction form
    288,704.30/432,211.98 = 168,393.38/x
  3. Step 3: Cross multiply
    288,704.30x = 432,211.98 × 168,393.38
  4. Step 4: Simplify right side
    288,704.30x = 72,781,636,188.69
  5. Step 5: Solve for x
    x = 72,781,636,188.69/288,704.30
  6. Step 6: Final answer
    x = 252,097.51

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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.