Home / 279,095.42-418,612-76,707.04

Finding the Fourth Proportional to 279,095.42, 418,612 and 76,707.04

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Solution

The fourth proportional to 279,095.42, 418,612 and 76,707.04 is: 115,052.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,095.42 : 418,612 = 76,707.04 : x
  2. Step 2: Convert to fraction form
    279,095.42/418,612 = 76,707.04/x
  3. Step 3: Cross multiply
    279,095.42x = 418,612 × 76,707.04
  4. Step 4: Simplify right side
    279,095.42x = 32,110,487,428.48
  5. Step 5: Solve for x
    x = 32,110,487,428.48/279,095.42
  6. Step 6: Final answer
    x = 115,052.00

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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.