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Finding the Fourth Proportional to 350,219.52, 525,344.64 and 128,482.56

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Solution

The fourth proportional to 350,219.52, 525,344.64 and 128,482.56 is: 192,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,219.52 : 525,344.64 = 128,482.56 : x
  2. Step 2: Convert to fraction form
    350,219.52/525,344.64 = 128,482.56/x
  3. Step 3: Cross multiply
    350,219.52x = 525,344.64 × 128,482.56
  4. Step 4: Simplify right side
    350,219.52x = 67,497,624,229.48
  5. Step 5: Solve for x
    x = 67,497,624,229.48/350,219.52
  6. Step 6: Final answer
    x = 192,729.48

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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.