Home / 227,509.28-313,971.36-126,926.72

Finding the Fourth Proportional to 227,509.28, 313,971.36 and 126,926.72

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Solution

The fourth proportional to 227,509.28, 313,971.36 and 126,926.72 is: 175,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,509.28 : 313,971.36 = 126,926.72 : x
  2. Step 2: Convert to fraction form
    227,509.28/313,971.36 = 126,926.72/x
  3. Step 3: Cross multiply
    227,509.28x = 313,971.36 × 126,926.72
  4. Step 4: Simplify right side
    227,509.28x = 39,851,354,898.74
  5. Step 5: Solve for x
    x = 39,851,354,898.74/227,509.28
  6. Step 6: Final answer
    x = 175,163.65

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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.