Home / 226,295.64-312,344.10-130,788.54

Finding the Fourth Proportional to 226,295.64, 312,344.10 and 130,788.54

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Solution

The fourth proportional to 226,295.64, 312,344.10 and 130,788.54 is: 180,520.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,295.64 : 312,344.10 = 130,788.54 : x
  2. Step 2: Convert to fraction form
    226,295.64/312,344.10 = 130,788.54/x
  3. Step 3: Cross multiply
    226,295.64x = 312,344.10 × 130,788.54
  4. Step 4: Simplify right side
    226,295.64x = 40,851,028,816.61
  5. Step 5: Solve for x
    x = 40,851,028,816.61/226,295.64
  6. Step 6: Final answer
    x = 180,520.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.