Home / 262,342.28-393,550.08-129,223.64

Finding the Fourth Proportional to 262,342.28, 393,550.08 and 129,223.64

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Solution

The fourth proportional to 262,342.28, 393,550.08 and 129,223.64 is: 193,853.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,342.28 : 393,550.08 = 129,223.64 : x
  2. Step 2: Convert to fraction form
    262,342.28/393,550.08 = 129,223.64/x
  3. Step 3: Cross multiply
    262,342.28x = 393,550.08 × 129,223.64
  4. Step 4: Simplify right side
    262,342.28x = 50,855,973,859.89
  5. Step 5: Solve for x
    x = 50,855,973,859.89/262,342.28
  6. Step 6: Final answer
    x = 193,853.52

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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.