Home / 317,629.53-438,329.61-174,398.85

Finding the Fourth Proportional to 317,629.53, 438,329.61 and 174,398.85

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Solution

The fourth proportional to 317,629.53, 438,329.61 and 174,398.85 is: 240,670.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,629.53 : 438,329.61 = 174,398.85 : x
  2. Step 2: Convert to fraction form
    317,629.53/438,329.61 = 174,398.85/x
  3. Step 3: Cross multiply
    317,629.53x = 438,329.61 × 174,398.85
  4. Step 4: Simplify right side
    317,629.53x = 76,444,179,904.95
  5. Step 5: Solve for x
    x = 76,444,179,904.95/317,629.53
  6. Step 6: Final answer
    x = 240,670.88

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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.