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Finding the Fourth Proportional to 356,887.26, 492,522.47 and 195,757.30

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Solution

The fourth proportional to 356,887.26, 492,522.47 and 195,757.30 is: 270,154.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,887.26 : 492,522.47 = 195,757.30 : x
  2. Step 2: Convert to fraction form
    356,887.26/492,522.47 = 195,757.30/x
  3. Step 3: Cross multiply
    356,887.26x = 492,522.47 × 195,757.30
  4. Step 4: Simplify right side
    356,887.26x = 96,414,868,916.53
  5. Step 5: Solve for x
    x = 96,414,868,916.53/356,887.26
  6. Step 6: Final answer
    x = 270,154.98

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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.