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Finding the Fourth Proportional to 350,452.95, 525,679.37 and 84,213.47

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Solution

The fourth proportional to 350,452.95, 525,679.37 and 84,213.47 is: 126,320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,452.95 : 525,679.37 = 84,213.47 : x
  2. Step 2: Convert to fraction form
    350,452.95/525,679.37 = 84,213.47/x
  3. Step 3: Cross multiply
    350,452.95x = 525,679.37 × 84,213.47
  4. Step 4: Simplify right side
    350,452.95x = 44,269,281,226.72
  5. Step 5: Solve for x
    x = 44,269,281,226.72/350,452.95
  6. Step 6: Final answer
    x = 126,320.18

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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.