Home / 317,769.60-438,524.64-174,531.36

Finding the Fourth Proportional to 317,769.60, 438,524.64 and 174,531.36

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Solution

The fourth proportional to 317,769.60, 438,524.64 and 174,531.36 is: 240,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,769.60 : 438,524.64 = 174,531.36 : x
  2. Step 2: Convert to fraction form
    317,769.60/438,524.64 = 174,531.36/x
  3. Step 3: Cross multiply
    317,769.60x = 438,524.64 × 174,531.36
  4. Step 4: Simplify right side
    317,769.60x = 76,536,301,812.71
  5. Step 5: Solve for x
    x = 76,536,301,812.71/317,769.60
  6. Step 6: Final answer
    x = 240,854.70

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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.