Home / 436,001.55-654,002.33-223,425.15

Finding the Fourth Proportional to 436,001.55, 654,002.33 and 223,425.15

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Solution

The fourth proportional to 436,001.55, 654,002.33 and 223,425.15 is: 335,137.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,001.55 : 654,002.33 = 223,425.15 : x
  2. Step 2: Convert to fraction form
    436,001.55/654,002.33 = 223,425.15/x
  3. Step 3: Cross multiply
    436,001.55x = 654,002.33 × 223,425.15
  4. Step 4: Simplify right side
    436,001.55x = 146,120,567,563.47
  5. Step 5: Solve for x
    x = 146,120,567,563.47/436,001.55
  6. Step 6: Final answer
    x = 335,137.73

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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.