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Finding the Fourth Proportional to 350,998.20, 525,719.70 and 304,342.20

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Solution

The fourth proportional to 350,998.20, 525,719.70 and 304,342.20 is: 455,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,998.20 : 525,719.70 = 304,342.20 : x
  2. Step 2: Convert to fraction form
    350,998.20/525,719.70 = 304,342.20/x
  3. Step 3: Cross multiply
    350,998.20x = 525,719.70 × 304,342.20
  4. Step 4: Simplify right side
    350,998.20x = 159,998,690,081.34
  5. Step 5: Solve for x
    x = 159,998,690,081.34/350,998.20
  6. Step 6: Final answer
    x = 455,839.06

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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.