Home / 414,387.10-621,562.38-130,070.98

Finding the Fourth Proportional to 414,387.10, 621,562.38 and 130,070.98

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Solution

The fourth proportional to 414,387.10, 621,562.38 and 130,070.98 is: 195,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,387.10 : 621,562.38 = 130,070.98 : x
  2. Step 2: Convert to fraction form
    414,387.10/621,562.38 = 130,070.98/x
  3. Step 3: Cross multiply
    414,387.10x = 621,562.38 × 130,070.98
  4. Step 4: Simplify right side
    414,387.10x = 80,847,227,897.73
  5. Step 5: Solve for x
    x = 80,847,227,897.73/414,387.10
  6. Step 6: Final answer
    x = 195,100.74

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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.