Home / 753,155.88-1,129,733.10-192,190.32

Finding the Fourth Proportional to 753,155.88, 1,129,733.10 and 192,190.32

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Solution

The fourth proportional to 753,155.88, 1,129,733.10 and 192,190.32 is: 288,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,155.88 : 1,129,733.10 = 192,190.32 : x
  2. Step 2: Convert to fraction form
    753,155.88/1,129,733.10 = 192,190.32/x
  3. Step 3: Cross multiply
    753,155.88x = 1,129,733.10 × 192,190.32
  4. Step 4: Simplify right side
    753,155.88x = 217,123,766,003.59
  5. Step 5: Solve for x
    x = 217,123,766,003.59/753,155.88
  6. Step 6: Final answer
    x = 288,285.30

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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.