Home / 370,375.20-555,562.80-89,892.45

Finding the Fourth Proportional to 370,375.20, 555,562.80 and 89,892.45

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Solution

The fourth proportional to 370,375.20, 555,562.80 and 89,892.45 is: 134,838.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,375.20 : 555,562.80 = 89,892.45 : x
  2. Step 2: Convert to fraction form
    370,375.20/555,562.80 = 89,892.45/x
  3. Step 3: Cross multiply
    370,375.20x = 555,562.80 × 89,892.45
  4. Step 4: Simplify right side
    370,375.20x = 49,940,901,220.86
  5. Step 5: Solve for x
    x = 49,940,901,220.86/370,375.20
  6. Step 6: Final answer
    x = 134,838.68

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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.