Home / 273,639.20-410,502-115,868.64

Finding the Fourth Proportional to 273,639.20, 410,502 and 115,868.64

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Solution

The fourth proportional to 273,639.20, 410,502 and 115,868.64 is: 173,821.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,639.20 : 410,502 = 115,868.64 : x
  2. Step 2: Convert to fraction form
    273,639.20/410,502 = 115,868.64/x
  3. Step 3: Cross multiply
    273,639.20x = 410,502 × 115,868.64
  4. Step 4: Simplify right side
    273,639.20x = 47,564,308,457.28
  5. Step 5: Solve for x
    x = 47,564,308,457.28/273,639.20
  6. Step 6: Final answer
    x = 173,821.25

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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.