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Finding the Fourth Proportional to 350,203.20, 524,527.20 and 287,995.20

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Solution

The fourth proportional to 350,203.20, 524,527.20 and 287,995.20 is: 431,353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,203.20 : 524,527.20 = 287,995.20 : x
  2. Step 2: Convert to fraction form
    350,203.20/524,527.20 = 287,995.20/x
  3. Step 3: Cross multiply
    350,203.20x = 524,527.20 × 287,995.20
  4. Step 4: Simplify right side
    350,203.20x = 151,061,315,869.44
  5. Step 5: Solve for x
    x = 151,061,315,869.44/350,203.20
  6. Step 6: Final answer
    x = 431,353.33

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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.