Home / 481,500.13-721,856.13-181,810.66

Finding the Fourth Proportional to 481,500.13, 721,856.13 and 181,810.66

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Solution

The fourth proportional to 481,500.13, 721,856.13 and 181,810.66 is: 272,567.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,500.13 : 721,856.13 = 181,810.66 : x
  2. Step 2: Convert to fraction form
    481,500.13/721,856.13 = 181,810.66/x
  3. Step 3: Cross multiply
    481,500.13x = 721,856.13 × 181,810.66
  4. Step 4: Simplify right side
    481,500.13x = 131,241,139,420.35
  5. Step 5: Solve for x
    x = 131,241,139,420.35/481,500.13
  6. Step 6: Final answer
    x = 272,567.19

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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.