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Finding the Fourth Proportional to 195,276.40, 292,223.40 and 133,068.40

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Solution

The fourth proportional to 195,276.40, 292,223.40 and 133,068.40 is: 199,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,276.40 : 292,223.40 = 133,068.40 : x
  2. Step 2: Convert to fraction form
    195,276.40/292,223.40 = 133,068.40/x
  3. Step 3: Cross multiply
    195,276.40x = 292,223.40 × 133,068.40
  4. Step 4: Simplify right side
    195,276.40x = 38,885,700,280.56
  5. Step 5: Solve for x
    x = 38,885,700,280.56/195,276.40
  6. Step 6: Final answer
    x = 199,131.59

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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.