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Finding the Fourth Proportional to 276,095.70, 414,143.55 and 266,472.90

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Solution

The fourth proportional to 276,095.70, 414,143.55 and 266,472.90 is: 399,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,095.70 : 414,143.55 = 266,472.90 : x
  2. Step 2: Convert to fraction form
    276,095.70/414,143.55 = 266,472.90/x
  3. Step 3: Cross multiply
    276,095.70x = 414,143.55 × 266,472.90
  4. Step 4: Simplify right side
    276,095.70x = 110,358,032,784.80
  5. Step 5: Solve for x
    x = 110,358,032,784.80/276,095.70
  6. Step 6: Final answer
    x = 399,709.35

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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.