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Finding the Fourth Proportional to 276,924.88, 382,164.20 and 154,420.08

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Solution

The fourth proportional to 276,924.88, 382,164.20 and 154,420.08 is: 213,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,924.88 : 382,164.20 = 154,420.08 : x
  2. Step 2: Convert to fraction form
    276,924.88/382,164.20 = 154,420.08/x
  3. Step 3: Cross multiply
    276,924.88x = 382,164.20 × 154,420.08
  4. Step 4: Simplify right side
    276,924.88x = 59,013,826,337.14
  5. Step 5: Solve for x
    x = 59,013,826,337.14/276,924.88
  6. Step 6: Final answer
    x = 213,104.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.