Home / 332,145.40-498,218.10-225,857.20

Finding the Fourth Proportional to 332,145.40, 498,218.10 and 225,857.20

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Solution

The fourth proportional to 332,145.40, 498,218.10 and 225,857.20 is: 338,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,145.40 : 498,218.10 = 225,857.20 : x
  2. Step 2: Convert to fraction form
    332,145.40/498,218.10 = 225,857.20/x
  3. Step 3: Cross multiply
    332,145.40x = 498,218.10 × 225,857.20
  4. Step 4: Simplify right side
    332,145.40x = 112,526,145,055.32
  5. Step 5: Solve for x
    x = 112,526,145,055.32/332,145.40
  6. Step 6: Final answer
    x = 338,785.80

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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.