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Finding the Fourth Proportional to 273,418.40, 410,127.60 and 153,352.10

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Solution

The fourth proportional to 273,418.40, 410,127.60 and 153,352.10 is: 230,028.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,418.40 : 410,127.60 = 153,352.10 : x
  2. Step 2: Convert to fraction form
    273,418.40/410,127.60 = 153,352.10/x
  3. Step 3: Cross multiply
    273,418.40x = 410,127.60 × 153,352.10
  4. Step 4: Simplify right side
    273,418.40x = 62,893,928,727.96
  5. Step 5: Solve for x
    x = 62,893,928,727.96/273,418.40
  6. Step 6: Final answer
    x = 230,028.15

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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.