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Finding the Fourth Proportional to 350,685.28, 483,935.98 and 197,722.12

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Solution

The fourth proportional to 350,685.28, 483,935.98 and 197,722.12 is: 272,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,685.28 : 483,935.98 = 197,722.12 : x
  2. Step 2: Convert to fraction form
    350,685.28/483,935.98 = 197,722.12/x
  3. Step 3: Cross multiply
    350,685.28x = 483,935.98 × 197,722.12
  4. Step 4: Simplify right side
    350,685.28x = 95,684,847,909.88
  5. Step 5: Solve for x
    x = 95,684,847,909.88/350,685.28
  6. Step 6: Final answer
    x = 272,851.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.