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Finding the Fourth Proportional to 357,079.53, 492,768.39 and 195,937.27

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Solution

The fourth proportional to 357,079.53, 492,768.39 and 195,937.27 is: 270,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,079.53 : 492,768.39 = 195,937.27 : x
  2. Step 2: Convert to fraction form
    357,079.53/492,768.39 = 195,937.27/x
  3. Step 3: Cross multiply
    357,079.53x = 492,768.39 × 195,937.27
  4. Step 4: Simplify right side
    357,079.53x = 96,551,693,078.90
  5. Step 5: Solve for x
    x = 96,551,693,078.90/357,079.53
  6. Step 6: Final answer
    x = 270,392.69

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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.