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Finding the Fourth Proportional to 350,158.60, 483,199.05 and 206,931.97

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Solution

The fourth proportional to 350,158.60, 483,199.05 and 206,931.97 is: 285,554.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,158.60 : 483,199.05 = 206,931.97 : x
  2. Step 2: Convert to fraction form
    350,158.60/483,199.05 = 206,931.97/x
  3. Step 3: Cross multiply
    350,158.60x = 483,199.05 × 206,931.97
  4. Step 4: Simplify right side
    350,158.60x = 99,989,331,318.63
  5. Step 5: Solve for x
    x = 99,989,331,318.63/350,158.60
  6. Step 6: Final answer
    x = 285,554.41

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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.