Home / 309,617.31-464,557.47-169,211.91

Finding the Fourth Proportional to 309,617.31, 464,557.47 and 169,211.91

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Solution

The fourth proportional to 309,617.31, 464,557.47 and 169,211.91 is: 253,889.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,617.31 : 464,557.47 = 169,211.91 : x
  2. Step 2: Convert to fraction form
    309,617.31/464,557.47 = 169,211.91/x
  3. Step 3: Cross multiply
    309,617.31x = 464,557.47 × 169,211.91
  4. Step 4: Simplify right side
    309,617.31x = 78,608,656,803.47
  5. Step 5: Solve for x
    x = 78,608,656,803.47/309,617.31
  6. Step 6: Final answer
    x = 253,889.74

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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.