Home / 276,312.60-414,566.10-135,977.40

Finding the Fourth Proportional to 276,312.60, 414,566.10 and 135,977.40

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Solution

The fourth proportional to 276,312.60, 414,566.10 and 135,977.40 is: 204,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,312.60 : 414,566.10 = 135,977.40 : x
  2. Step 2: Convert to fraction form
    276,312.60/414,566.10 = 135,977.40/x
  3. Step 3: Cross multiply
    276,312.60x = 414,566.10 × 135,977.40
  4. Step 4: Simplify right side
    276,312.60x = 56,371,620,406.14
  5. Step 5: Solve for x
    x = 56,371,620,406.14/276,312.60
  6. Step 6: Final answer
    x = 204,013.93

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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.