Home / 317,945.18-438,763.02-174,704.78

Finding the Fourth Proportional to 317,945.18, 438,763.02 and 174,704.78

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Solution

The fourth proportional to 317,945.18, 438,763.02 and 174,704.78 is: 241,091.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,945.18 : 438,763.02 = 174,704.78 : x
  2. Step 2: Convert to fraction form
    317,945.18/438,763.02 = 174,704.78/x
  3. Step 3: Cross multiply
    317,945.18x = 438,763.02 × 174,704.78
  4. Step 4: Simplify right side
    317,945.18x = 76,653,996,881.24
  5. Step 5: Solve for x
    x = 76,653,996,881.24/317,945.18
  6. Step 6: Final answer
    x = 241,091.87

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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.