Home / 349,435.72-481,031.26-258,620.55

Finding the Fourth Proportional to 349,435.72, 481,031.26 and 258,620.55

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Solution

The fourth proportional to 349,435.72, 481,031.26 and 258,620.55 is: 356,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,435.72 : 481,031.26 = 258,620.55 : x
  2. Step 2: Convert to fraction form
    349,435.72/481,031.26 = 258,620.55/x
  3. Step 3: Cross multiply
    349,435.72x = 481,031.26 × 258,620.55
  4. Step 4: Simplify right side
    349,435.72x = 124,404,566,577.97
  5. Step 5: Solve for x
    x = 124,404,566,577.97/349,435.72
  6. Step 6: Final answer
    x = 356,015.60

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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.