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Finding the Fourth Proportional to 436,273.80, 653,604.30 and 248,728.20

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Solution

The fourth proportional to 436,273.80, 653,604.30 and 248,728.20 is: 372,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,273.80 : 653,604.30 = 248,728.20 : x
  2. Step 2: Convert to fraction form
    436,273.80/653,604.30 = 248,728.20/x
  3. Step 3: Cross multiply
    436,273.80x = 653,604.30 × 248,728.20
  4. Step 4: Simplify right side
    436,273.80x = 162,569,821,051.26
  5. Step 5: Solve for x
    x = 162,569,821,051.26/436,273.80
  6. Step 6: Final answer
    x = 372,632.56

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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.