Home / 434,082.12-651,218.32-145,883.43

Finding the Fourth Proportional to 434,082.12, 651,218.32 and 145,883.43

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Solution

The fourth proportional to 434,082.12, 651,218.32 and 145,883.43 is: 218,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,082.12 : 651,218.32 = 145,883.43 : x
  2. Step 2: Convert to fraction form
    434,082.12/651,218.32 = 145,883.43/x
  3. Step 3: Cross multiply
    434,082.12x = 651,218.32 × 145,883.43
  4. Step 4: Simplify right side
    434,082.12x = 95,001,962,382.79
  5. Step 5: Solve for x
    x = 95,001,962,382.79/434,082.12
  6. Step 6: Final answer
    x = 218,857.12

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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.