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Finding the Fourth Proportional to 228,001.32, 341,984.70 and 80,153.64

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Solution

The fourth proportional to 228,001.32, 341,984.70 and 80,153.64 is: 120,224.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,001.32 : 341,984.70 = 80,153.64 : x
  2. Step 2: Convert to fraction form
    228,001.32/341,984.70 = 80,153.64/x
  3. Step 3: Cross multiply
    228,001.32x = 341,984.70 × 80,153.64
  4. Step 4: Simplify right side
    228,001.32x = 27,411,318,529.31
  5. Step 5: Solve for x
    x = 27,411,318,529.31/228,001.32
  6. Step 6: Final answer
    x = 120,224.39

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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.