Home / 238,046.40-328,493.04-130,613.76

Finding the Fourth Proportional to 238,046.40, 328,493.04 and 130,613.76

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Solution

The fourth proportional to 238,046.40, 328,493.04 and 130,613.76 is: 180,240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,046.40 : 328,493.04 = 130,613.76 : x
  2. Step 2: Convert to fraction form
    238,046.40/328,493.04 = 130,613.76/x
  3. Step 3: Cross multiply
    238,046.40x = 328,493.04 × 130,613.76
  4. Step 4: Simplify right side
    238,046.40x = 42,905,711,088.23
  5. Step 5: Solve for x
    x = 42,905,711,088.23/238,046.40
  6. Step 6: Final answer
    x = 180,240.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.