Home / 317,865.52-438,654.59-174,634.79

Finding the Fourth Proportional to 317,865.52, 438,654.59 and 174,634.79

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Solution

The fourth proportional to 317,865.52, 438,654.59 and 174,634.79 is: 240,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,865.52 : 438,654.59 = 174,634.79 : x
  2. Step 2: Convert to fraction form
    317,865.52/438,654.59 = 174,634.79/x
  3. Step 3: Cross multiply
    317,865.52x = 438,654.59 × 174,634.79
  4. Step 4: Simplify right side
    317,865.52x = 76,604,349,795.62
  5. Step 5: Solve for x
    x = 76,604,349,795.62/317,865.52
  6. Step 6: Final answer
    x = 240,996.10

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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.