Home / 319,715.40-441,207.28-176,475.48

Finding the Fourth Proportional to 319,715.40, 441,207.28 and 176,475.48

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Solution

The fourth proportional to 319,715.40, 441,207.28 and 176,475.48 is: 243,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,715.40 : 441,207.28 = 176,475.48 : x
  2. Step 2: Convert to fraction form
    319,715.40/441,207.28 = 176,475.48/x
  3. Step 3: Cross multiply
    319,715.40x = 441,207.28 × 176,475.48
  4. Step 4: Simplify right side
    319,715.40x = 77,862,266,517.49
  5. Step 5: Solve for x
    x = 77,862,266,517.49/319,715.40
  6. Step 6: Final answer
    x = 243,536.18

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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.