Home / 272,944.80-409,417.20-193,629.60

Finding the Fourth Proportional to 272,944.80, 409,417.20 and 193,629.60

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Solution

The fourth proportional to 272,944.80, 409,417.20 and 193,629.60 is: 290,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,944.80 : 409,417.20 = 193,629.60 : x
  2. Step 2: Convert to fraction form
    272,944.80/409,417.20 = 193,629.60/x
  3. Step 3: Cross multiply
    272,944.80x = 409,417.20 × 193,629.60
  4. Step 4: Simplify right side
    272,944.80x = 79,275,288,669.12
  5. Step 5: Solve for x
    x = 79,275,288,669.12/272,944.80
  6. Step 6: Final answer
    x = 290,444.40

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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.