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Finding the Fourth Proportional to 297,188.07, 445,780.55 and 72,549.69

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Solution

The fourth proportional to 297,188.07, 445,780.55 and 72,549.69 is: 108,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,188.07 : 445,780.55 = 72,549.69 : x
  2. Step 2: Convert to fraction form
    297,188.07/445,780.55 = 72,549.69/x
  3. Step 3: Cross multiply
    297,188.07x = 445,780.55 × 72,549.69
  4. Step 4: Simplify right side
    297,188.07x = 32,341,240,347.78
  5. Step 5: Solve for x
    x = 32,341,240,347.78/297,188.07
  6. Step 6: Final answer
    x = 108,824.15

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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.