Home / 347,519.30-521,570.55-170,177.90

Finding the Fourth Proportional to 347,519.30, 521,570.55 and 170,177.90

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Solution

The fourth proportional to 347,519.30, 521,570.55 and 170,177.90 is: 255,409.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,519.30 : 521,570.55 = 170,177.90 : x
  2. Step 2: Convert to fraction form
    347,519.30/521,570.55 = 170,177.90/x
  3. Step 3: Cross multiply
    347,519.30x = 521,570.55 × 170,177.90
  4. Step 4: Simplify right side
    347,519.30x = 88,759,780,900.85
  5. Step 5: Solve for x
    x = 88,759,780,900.85/347,519.30
  6. Step 6: Final answer
    x = 255,409.64

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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.