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Finding the Fourth Proportional to 394,612.80, 592,162.20 and 170,080.80

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Solution

The fourth proportional to 394,612.80, 592,162.20 and 170,080.80 is: 255,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,612.80 : 592,162.20 = 170,080.80 : x
  2. Step 2: Convert to fraction form
    394,612.80/592,162.20 = 170,080.80/x
  3. Step 3: Cross multiply
    394,612.80x = 592,162.20 × 170,080.80
  4. Step 4: Simplify right side
    394,612.80x = 100,715,420,705.76
  5. Step 5: Solve for x
    x = 100,715,420,705.76/394,612.80
  6. Step 6: Final answer
    x = 255,225.93

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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.