Home / 317,765.60-438,519.12-174,527.36

Finding the Fourth Proportional to 317,765.60, 438,519.12 and 174,527.36

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Solution

The fourth proportional to 317,765.60, 438,519.12 and 174,527.36 is: 240,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,765.60 : 438,519.12 = 174,527.36 : x
  2. Step 2: Convert to fraction form
    317,765.60/438,519.12 = 174,527.36/x
  3. Step 3: Cross multiply
    317,765.60x = 438,519.12 × 174,527.36
  4. Step 4: Simplify right side
    317,765.60x = 76,533,584,323.12
  5. Step 5: Solve for x
    x = 76,533,584,323.12/317,765.60
  6. Step 6: Final answer
    x = 240,849.18

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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.