Home / 225,549.49-338,218.29-130,806.60

Finding the Fourth Proportional to 225,549.49, 338,218.29 and 130,806.60

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Solution

The fourth proportional to 225,549.49, 338,218.29 and 130,806.60 is: 196,148.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,549.49 : 338,218.29 = 130,806.60 : x
  2. Step 2: Convert to fraction form
    225,549.49/338,218.29 = 130,806.60/x
  3. Step 3: Cross multiply
    225,549.49x = 338,218.29 × 130,806.60
  4. Step 4: Simplify right side
    225,549.49x = 44,241,184,572.71
  5. Step 5: Solve for x
    x = 44,241,184,572.71/225,549.49
  6. Step 6: Final answer
    x = 196,148.46

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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.