Home / 379,267.45-568,923.04-142,612.18

Finding the Fourth Proportional to 379,267.45, 568,923.04 and 142,612.18

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Solution

The fourth proportional to 379,267.45, 568,923.04 and 142,612.18 is: 213,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,267.45 : 568,923.04 = 142,612.18 : x
  2. Step 2: Convert to fraction form
    379,267.45/568,923.04 = 142,612.18/x
  3. Step 3: Cross multiply
    379,267.45x = 568,923.04 × 142,612.18
  4. Step 4: Simplify right side
    379,267.45x = 81,135,354,986.63
  5. Step 5: Solve for x
    x = 81,135,354,986.63/379,267.45
  6. Step 6: Final answer
    x = 213,926.49

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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.