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Finding the Fourth Proportional to 288,770.58, 433,122.75 and 75,559.10

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Solution

The fourth proportional to 288,770.58, 433,122.75 and 75,559.10 is: 113,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,770.58 : 433,122.75 = 75,559.10 : x
  2. Step 2: Convert to fraction form
    288,770.58/433,122.75 = 75,559.10/x
  3. Step 3: Cross multiply
    288,770.58x = 433,122.75 × 75,559.10
  4. Step 4: Simplify right side
    288,770.58x = 32,726,363,013.91
  5. Step 5: Solve for x
    x = 32,726,363,013.91/288,770.58
  6. Step 6: Final answer
    x = 113,329.98

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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.