Home / 318,215.27-477,007.58-149,433.45

Finding the Fourth Proportional to 318,215.27, 477,007.58 and 149,433.45

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Solution

The fourth proportional to 318,215.27, 477,007.58 and 149,433.45 is: 224,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,215.27 : 477,007.58 = 149,433.45 : x
  2. Step 2: Convert to fraction form
    318,215.27/477,007.58 = 149,433.45/x
  3. Step 3: Cross multiply
    318,215.27x = 477,007.58 × 149,433.45
  4. Step 4: Simplify right side
    318,215.27x = 71,280,887,608.38
  5. Step 5: Solve for x
    x = 71,280,887,608.38/318,215.27
  6. Step 6: Final answer
    x = 224,002.10

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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.