Home / 317,918.28-438,726.87-174,677.97

Finding the Fourth Proportional to 317,918.28, 438,726.87 and 174,677.97

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Solution

The fourth proportional to 317,918.28, 438,726.87 and 174,677.97 is: 241,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,918.28 : 438,726.87 = 174,677.97 : x
  2. Step 2: Convert to fraction form
    317,918.28/438,726.87 = 174,677.97/x
  3. Step 3: Cross multiply
    317,918.28x = 438,726.87 × 174,677.97
  4. Step 4: Simplify right side
    317,918.28x = 76,635,919,036.05
  5. Step 5: Solve for x
    x = 76,635,919,036.05/317,918.28
  6. Step 6: Final answer
    x = 241,055.40

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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.