Home / 152,428.20-228,642.30-149,512.20

Finding the Fourth Proportional to 152,428.20, 228,642.30 and 149,512.20

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Solution

The fourth proportional to 152,428.20, 228,642.30 and 149,512.20 is: 224,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,428.20 : 228,642.30 = 149,512.20 : x
  2. Step 2: Convert to fraction form
    152,428.20/228,642.30 = 149,512.20/x
  3. Step 3: Cross multiply
    152,428.20x = 228,642.30 × 149,512.20
  4. Step 4: Simplify right side
    152,428.20x = 34,184,813,286.06
  5. Step 5: Solve for x
    x = 34,184,813,286.06/152,428.20
  6. Step 6: Final answer
    x = 224,268.30

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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.