Home / 653,248.81-979,872.75-204,008.18

Finding the Fourth Proportional to 653,248.81, 979,872.75 and 204,008.18

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Solution

The fourth proportional to 653,248.81, 979,872.75 and 204,008.18 is: 306,012.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,248.81 : 979,872.75 = 204,008.18 : x
  2. Step 2: Convert to fraction form
    653,248.81/979,872.75 = 204,008.18/x
  3. Step 3: Cross multiply
    653,248.81x = 979,872.75 × 204,008.18
  4. Step 4: Simplify right side
    653,248.81x = 199,902,051,459.73
  5. Step 5: Solve for x
    x = 199,902,051,459.73/653,248.81
  6. Step 6: Final answer
    x = 306,012.12

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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.