Home / 439,292.04-658,688.40-172,908.20

Finding the Fourth Proportional to 439,292.04, 658,688.40 and 172,908.20

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Solution

The fourth proportional to 439,292.04, 658,688.40 and 172,908.20 is: 259,264.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,292.04 : 658,688.40 = 172,908.20 : x
  2. Step 2: Convert to fraction form
    439,292.04/658,688.40 = 172,908.20/x
  3. Step 3: Cross multiply
    439,292.04x = 658,688.40 × 172,908.20
  4. Step 4: Simplify right side
    439,292.04x = 113,892,625,604.88
  5. Step 5: Solve for x
    x = 113,892,625,604.88/439,292.04
  6. Step 6: Final answer
    x = 259,264.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.