Home / 317,519.75-438,182.91-174,293.12

Finding the Fourth Proportional to 317,519.75, 438,182.91 and 174,293.12

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Solution

The fourth proportional to 317,519.75, 438,182.91 and 174,293.12 is: 240,527.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,519.75 : 438,182.91 = 174,293.12 : x
  2. Step 2: Convert to fraction form
    317,519.75/438,182.91 = 174,293.12/x
  3. Step 3: Cross multiply
    317,519.75x = 438,182.91 × 174,293.12
  4. Step 4: Simplify right side
    317,519.75x = 76,372,264,323.66
  5. Step 5: Solve for x
    x = 76,372,264,323.66/317,519.75
  6. Step 6: Final answer
    x = 240,527.61

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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.