Home / 262,550.40-393,825.60-157,315.20

Finding the Fourth Proportional to 262,550.40, 393,825.60 and 157,315.20

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Solution

The fourth proportional to 262,550.40, 393,825.60 and 157,315.20 is: 235,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,550.40 : 393,825.60 = 157,315.20 : x
  2. Step 2: Convert to fraction form
    262,550.40/393,825.60 = 157,315.20/x
  3. Step 3: Cross multiply
    262,550.40x = 393,825.60 × 157,315.20
  4. Step 4: Simplify right side
    262,550.40x = 61,954,753,029.12
  5. Step 5: Solve for x
    x = 61,954,753,029.12/262,550.40
  6. Step 6: Final answer
    x = 235,972.80

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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.