Home / 319,672.31-441,145.61-176,432.35

Finding the Fourth Proportional to 319,672.31, 441,145.61 and 176,432.35

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Solution

The fourth proportional to 319,672.31, 441,145.61 and 176,432.35 is: 243,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,672.31 : 441,145.61 = 176,432.35 : x
  2. Step 2: Convert to fraction form
    319,672.31/441,145.61 = 176,432.35/x
  3. Step 3: Cross multiply
    319,672.31x = 441,145.61 × 176,432.35
  4. Step 4: Simplify right side
    319,672.31x = 77,832,356,664.48
  5. Step 5: Solve for x
    x = 77,832,356,664.48/319,672.31
  6. Step 6: Final answer
    x = 243,475.44

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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.