Home / 319,727.31-441,222.15-176,486.10

Finding the Fourth Proportional to 319,727.31, 441,222.15 and 176,486.10

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Solution

The fourth proportional to 319,727.31, 441,222.15 and 176,486.10 is: 243,549.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,727.31 : 441,222.15 = 176,486.10 : x
  2. Step 2: Convert to fraction form
    319,727.31/441,222.15 = 176,486.10/x
  3. Step 3: Cross multiply
    319,727.31x = 441,222.15 × 176,486.10
  4. Step 4: Simplify right side
    319,727.31x = 77,869,576,487.12
  5. Step 5: Solve for x
    x = 77,869,576,487.12/319,727.31
  6. Step 6: Final answer
    x = 243,549.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.