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Finding the Fourth Proportional to 273,433.60, 410,150.40 and 256,812.40

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Solution

The fourth proportional to 273,433.60, 410,150.40 and 256,812.40 is: 385,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,433.60 : 410,150.40 = 256,812.40 : x
  2. Step 2: Convert to fraction form
    273,433.60/410,150.40 = 256,812.40/x
  3. Step 3: Cross multiply
    273,433.60x = 410,150.40 × 256,812.40
  4. Step 4: Simplify right side
    273,433.60x = 105,331,708,584.96
  5. Step 5: Solve for x
    x = 105,331,708,584.96/273,433.60
  6. Step 6: Final answer
    x = 385,218.60

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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.