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Finding the Fourth Proportional to 376,000.36, 564,003.42 and 126,678.76

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Solution

The fourth proportional to 376,000.36, 564,003.42 and 126,678.76 is: 190,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,000.36 : 564,003.42 = 126,678.76 : x
  2. Step 2: Convert to fraction form
    376,000.36/564,003.42 = 126,678.76/x
  3. Step 3: Cross multiply
    376,000.36x = 564,003.42 × 126,678.76
  4. Step 4: Simplify right side
    376,000.36x = 71,447,253,881.36
  5. Step 5: Solve for x
    x = 71,447,253,881.36/376,000.36
  6. Step 6: Final answer
    x = 190,019.11

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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.