Home / 300,579.03-415,080.05-193,335.24

Finding the Fourth Proportional to 300,579.03, 415,080.05 and 193,335.24

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Solution

The fourth proportional to 300,579.03, 415,080.05 and 193,335.24 is: 266,983.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,579.03 : 415,080.05 = 193,335.24 : x
  2. Step 2: Convert to fraction form
    300,579.03/415,080.05 = 193,335.24/x
  3. Step 3: Cross multiply
    300,579.03x = 415,080.05 × 193,335.24
  4. Step 4: Simplify right side
    300,579.03x = 80,249,600,119.29
  5. Step 5: Solve for x
    x = 80,249,600,119.29/300,579.03
  6. Step 6: Final answer
    x = 266,983.36

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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.