Home / 247,480.30-371,260.65-76,662.12

Finding the Fourth Proportional to 247,480.30, 371,260.65 and 76,662.12

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Solution

The fourth proportional to 247,480.30, 371,260.65 and 76,662.12 is: 115,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,480.30 : 371,260.65 = 76,662.12 : x
  2. Step 2: Convert to fraction form
    247,480.30/371,260.65 = 76,662.12/x
  3. Step 3: Cross multiply
    247,480.30x = 371,260.65 × 76,662.12
  4. Step 4: Simplify right side
    247,480.30x = 28,461,628,501.58
  5. Step 5: Solve for x
    x = 28,461,628,501.58/247,480.30
  6. Step 6: Final answer
    x = 115,005.64

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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.