Home / 605,623.80-908,439.14-156,313.95

Finding the Fourth Proportional to 605,623.80, 908,439.14 and 156,313.95

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Solution

The fourth proportional to 605,623.80, 908,439.14 and 156,313.95 is: 234,471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,623.80 : 908,439.14 = 156,313.95 : x
  2. Step 2: Convert to fraction form
    605,623.80/908,439.14 = 156,313.95/x
  3. Step 3: Cross multiply
    605,623.80x = 908,439.14 × 156,313.95
  4. Step 4: Simplify right side
    605,623.80x = 142,001,711,303.03
  5. Step 5: Solve for x
    x = 142,001,711,303.03/605,623.80
  6. Step 6: Final answer
    x = 234,471.81

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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.