Home / 356,680.12-534,864.64-134,908.60

Finding the Fourth Proportional to 356,680.12, 534,864.64 and 134,908.60

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Solution

The fourth proportional to 356,680.12, 534,864.64 and 134,908.60 is: 202,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,680.12 : 534,864.64 = 134,908.60 : x
  2. Step 2: Convert to fraction form
    356,680.12/534,864.64 = 134,908.60/x
  3. Step 3: Cross multiply
    356,680.12x = 534,864.64 × 134,908.60
  4. Step 4: Simplify right side
    356,680.12x = 72,157,839,771.90
  5. Step 5: Solve for x
    x = 72,157,839,771.90/356,680.12
  6. Step 6: Final answer
    x = 202,304.07

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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.