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Finding the Fourth Proportional to 253,579.55, 380,440.42 and 101,883.15

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Solution

The fourth proportional to 253,579.55, 380,440.42 and 101,883.15 is: 152,853.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,579.55 : 380,440.42 = 101,883.15 : x
  2. Step 2: Convert to fraction form
    253,579.55/380,440.42 = 101,883.15/x
  3. Step 3: Cross multiply
    253,579.55x = 380,440.42 × 101,883.15
  4. Step 4: Simplify right side
    253,579.55x = 38,760,468,122.22
  5. Step 5: Solve for x
    x = 38,760,468,122.22/253,579.55
  6. Step 6: Final answer
    x = 152,853.29

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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.