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Finding the Fourth Proportional to 276,611.10, 414,916.65 and 239,213.40

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Solution

The fourth proportional to 276,611.10, 414,916.65 and 239,213.40 is: 358,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,611.10 : 414,916.65 = 239,213.40 : x
  2. Step 2: Convert to fraction form
    276,611.10/414,916.65 = 239,213.40/x
  3. Step 3: Cross multiply
    276,611.10x = 414,916.65 × 239,213.40
  4. Step 4: Simplify right side
    276,611.10x = 99,253,622,563.11
  5. Step 5: Solve for x
    x = 99,253,622,563.11/276,611.10
  6. Step 6: Final answer
    x = 358,820.10

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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.