Home / 256,867.20-354,462.48-143,668.08

Finding the Fourth Proportional to 256,867.20, 354,462.48 and 143,668.08

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Solution

The fourth proportional to 256,867.20, 354,462.48 and 143,668.08 is: 198,253.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,867.20 : 354,462.48 = 143,668.08 : x
  2. Step 2: Convert to fraction form
    256,867.20/354,462.48 = 143,668.08/x
  3. Step 3: Cross multiply
    256,867.20x = 354,462.48 × 143,668.08
  4. Step 4: Simplify right side
    256,867.20x = 50,924,943,933.64
  5. Step 5: Solve for x
    x = 50,924,943,933.64/256,867.20
  6. Step 6: Final answer
    x = 198,253.98

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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.