Home / 646,053.59-969,006.24-172,775.86

Finding the Fourth Proportional to 646,053.59, 969,006.24 and 172,775.86

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Solution

The fourth proportional to 646,053.59, 969,006.24 and 172,775.86 is: 259,143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,053.59 : 969,006.24 = 172,775.86 : x
  2. Step 2: Convert to fraction form
    646,053.59/969,006.24 = 172,775.86/x
  3. Step 3: Cross multiply
    646,053.59x = 969,006.24 × 172,775.86
  4. Step 4: Simplify right side
    646,053.59x = 167,420,884,038.85
  5. Step 5: Solve for x
    x = 167,420,884,038.85/646,053.59
  6. Step 6: Final answer
    x = 259,143.96

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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.