Home / 279,466.20-385,672.14-152,150.04

Finding the Fourth Proportional to 279,466.20, 385,672.14 and 152,150.04

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Solution

The fourth proportional to 279,466.20, 385,672.14 and 152,150.04 is: 209,971.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,466.20 : 385,672.14 = 152,150.04 : x
  2. Step 2: Convert to fraction form
    279,466.20/385,672.14 = 152,150.04/x
  3. Step 3: Cross multiply
    279,466.20x = 385,672.14 × 152,150.04
  4. Step 4: Simplify right side
    279,466.20x = 58,680,031,527.89
  5. Step 5: Solve for x
    x = 58,680,031,527.89/279,466.20
  6. Step 6: Final answer
    x = 209,971.84

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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.