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Finding the Fourth Proportional to 275,410.80, 413,699.40 and 265,496.40

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Solution

The fourth proportional to 275,410.80, 413,699.40 and 265,496.40 is: 398,806.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,410.80 : 413,699.40 = 265,496.40 : x
  2. Step 2: Convert to fraction form
    275,410.80/413,699.40 = 265,496.40/x
  3. Step 3: Cross multiply
    275,410.80x = 413,699.40 × 265,496.40
  4. Step 4: Simplify right side
    275,410.80x = 109,835,701,382.16
  5. Step 5: Solve for x
    x = 109,835,701,382.16/275,410.80
  6. Step 6: Final answer
    x = 398,806.81

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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.