Home / 518,026.69-777,138.45-181,163.08

Finding the Fourth Proportional to 518,026.69, 777,138.45 and 181,163.08

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Solution

The fourth proportional to 518,026.69, 777,138.45 and 181,163.08 is: 271,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,026.69 : 777,138.45 = 181,163.08 : x
  2. Step 2: Convert to fraction form
    518,026.69/777,138.45 = 181,163.08/x
  3. Step 3: Cross multiply
    518,026.69x = 777,138.45 × 181,163.08
  4. Step 4: Simplify right side
    518,026.69x = 140,788,795,188.43
  5. Step 5: Solve for x
    x = 140,788,795,188.43/518,026.69
  6. Step 6: Final answer
    x = 271,779.04

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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.