Home / 361,156.48-498,642.24-225,243.52

Finding the Fourth Proportional to 361,156.48, 498,642.24 and 225,243.52

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Solution

The fourth proportional to 361,156.48, 498,642.24 and 225,243.52 is: 310,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,156.48 : 498,642.24 = 225,243.52 : x
  2. Step 2: Convert to fraction form
    361,156.48/498,642.24 = 225,243.52/x
  3. Step 3: Cross multiply
    361,156.48x = 498,642.24 × 225,243.52
  4. Step 4: Simplify right side
    361,156.48x = 112,315,933,358.29
  5. Step 5: Solve for x
    x = 112,315,933,358.29/361,156.48
  6. Step 6: Final answer
    x = 310,989.67

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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.