Home / 356,008.72-491,292.18-194,864.58

Finding the Fourth Proportional to 356,008.72, 491,292.18 and 194,864.58

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Solution

The fourth proportional to 356,008.72, 491,292.18 and 194,864.58 is: 268,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,008.72 : 491,292.18 = 194,864.58 : x
  2. Step 2: Convert to fraction form
    356,008.72/491,292.18 = 194,864.58/x
  3. Step 3: Cross multiply
    356,008.72x = 491,292.18 × 194,864.58
  4. Step 4: Simplify right side
    356,008.72x = 95,735,444,312.98
  5. Step 5: Solve for x
    x = 95,735,444,312.98/356,008.72
  6. Step 6: Final answer
    x = 268,913.20

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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.