Home / 317,992.20-438,808.02-174,749.16

Finding the Fourth Proportional to 317,992.20, 438,808.02 and 174,749.16

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Solution

The fourth proportional to 317,992.20, 438,808.02 and 174,749.16 is: 241,142.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,992.20 : 438,808.02 = 174,749.16 : x
  2. Step 2: Convert to fraction form
    317,992.20/438,808.02 = 174,749.16/x
  3. Step 3: Cross multiply
    317,992.20x = 438,808.02 × 174,749.16
  4. Step 4: Simplify right side
    317,992.20x = 76,681,332,896.26
  5. Step 5: Solve for x
    x = 76,681,332,896.26/317,992.20
  6. Step 6: Final answer
    x = 241,142.18

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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.