Home / 318,219.62-439,150.61-174,979.55

Finding the Fourth Proportional to 318,219.62, 439,150.61 and 174,979.55

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Solution

The fourth proportional to 318,219.62, 439,150.61 and 174,979.55 is: 241,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,219.62 : 439,150.61 = 174,979.55 : x
  2. Step 2: Convert to fraction form
    318,219.62/439,150.61 = 174,979.55/x
  3. Step 3: Cross multiply
    318,219.62x = 439,150.61 × 174,979.55
  4. Step 4: Simplify right side
    318,219.62x = 76,842,376,420.24
  5. Step 5: Solve for x
    x = 76,842,376,420.24/318,219.62
  6. Step 6: Final answer
    x = 241,475.92

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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.