Home / 334,811.42-502,217.12-147,785.66

Finding the Fourth Proportional to 334,811.42, 502,217.12 and 147,785.66

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Solution

The fourth proportional to 334,811.42, 502,217.12 and 147,785.66 is: 221,678.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,811.42 : 502,217.12 = 147,785.66 : x
  2. Step 2: Convert to fraction form
    334,811.42/502,217.12 = 147,785.66/x
  3. Step 3: Cross multiply
    334,811.42x = 502,217.12 × 147,785.66
  4. Step 4: Simplify right side
    334,811.42x = 74,220,485,292.49
  5. Step 5: Solve for x
    x = 74,220,485,292.49/334,811.42
  6. Step 6: Final answer
    x = 221,678.48

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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.