Home / 665,029.80-997,350.30-238,516.20

Finding the Fourth Proportional to 665,029.80, 997,350.30 and 238,516.20

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Solution

The fourth proportional to 665,029.80, 997,350.30 and 238,516.20 is: 357,704.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,029.80 : 997,350.30 = 238,516.20 : x
  2. Step 2: Convert to fraction form
    665,029.80/997,350.30 = 238,516.20/x
  3. Step 3: Cross multiply
    665,029.80x = 997,350.30 × 238,516.20
  4. Step 4: Simplify right side
    665,029.80x = 237,884,203,624.86
  5. Step 5: Solve for x
    x = 237,884,203,624.86/665,029.80
  6. Step 6: Final answer
    x = 357,704.58

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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.