Home / 318,218.28-477,012.06-149,436.45

Finding the Fourth Proportional to 318,218.28, 477,012.06 and 149,436.45

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Solution

The fourth proportional to 318,218.28, 477,012.06 and 149,436.45 is: 224,006.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,218.28 : 477,012.06 = 149,436.45 : x
  2. Step 2: Convert to fraction form
    318,218.28/477,012.06 = 149,436.45/x
  3. Step 3: Cross multiply
    318,218.28x = 477,012.06 × 149,436.45
  4. Step 4: Simplify right side
    318,218.28x = 71,282,988,853.59
  5. Step 5: Solve for x
    x = 71,282,988,853.59/318,218.28
  6. Step 6: Final answer
    x = 224,006.58

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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.