Home / 317,521.74-438,185.68-174,295.12

Finding the Fourth Proportional to 317,521.74, 438,185.68 and 174,295.12

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Solution

The fourth proportional to 317,521.74, 438,185.68 and 174,295.12 is: 240,530.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,521.74 : 438,185.68 = 174,295.12 : x
  2. Step 2: Convert to fraction form
    317,521.74/438,185.68 = 174,295.12/x
  3. Step 3: Cross multiply
    317,521.74x = 438,185.68 × 174,295.12
  4. Step 4: Simplify right side
    317,521.74x = 76,373,625,677.88
  5. Step 5: Solve for x
    x = 76,373,625,677.88/317,521.74
  6. Step 6: Final answer
    x = 240,530.38

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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.