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Finding the Fourth Proportional to 150,228.96, 224,894.48 and 90,885.28

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Solution

The fourth proportional to 150,228.96, 224,894.48 and 90,885.28 is: 136,056.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,228.96 : 224,894.48 = 90,885.28 : x
  2. Step 2: Convert to fraction form
    150,228.96/224,894.48 = 90,885.28/x
  3. Step 3: Cross multiply
    150,228.96x = 224,894.48 × 90,885.28
  4. Step 4: Simplify right side
    150,228.96x = 20,439,597,785.25
  5. Step 5: Solve for x
    x = 20,439,597,785.25/150,228.96
  6. Step 6: Final answer
    x = 136,056.31

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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.