Home / 317,444.48-438,078.71-174,217.85

Finding the Fourth Proportional to 317,444.48, 438,078.71 and 174,217.85

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Solution

The fourth proportional to 317,444.48, 438,078.71 and 174,217.85 is: 240,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,444.48 : 438,078.71 = 174,217.85 : x
  2. Step 2: Convert to fraction form
    317,444.48/438,078.71 = 174,217.85/x
  3. Step 3: Cross multiply
    317,444.48x = 438,078.71 × 174,217.85
  4. Step 4: Simplify right side
    317,444.48x = 76,321,130,115.88
  5. Step 5: Solve for x
    x = 76,321,130,115.88/317,444.48
  6. Step 6: Final answer
    x = 240,423.55

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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.