Home / 317,627.47-438,326.77-174,396.79

Finding the Fourth Proportional to 317,627.47, 438,326.77 and 174,396.79

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Solution

The fourth proportional to 317,627.47, 438,326.77 and 174,396.79 is: 240,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,627.47 : 438,326.77 = 174,396.79 : x
  2. Step 2: Convert to fraction form
    317,627.47/438,326.77 = 174,396.79/x
  3. Step 3: Cross multiply
    317,627.47x = 438,326.77 × 174,396.79
  4. Step 4: Simplify right side
    317,627.47x = 76,442,780,127.26
  5. Step 5: Solve for x
    x = 76,442,780,127.26/317,627.47
  6. Step 6: Final answer
    x = 240,668.04

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1.5x scale

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.