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Finding the Fourth Proportional to 270,307.73, 373,018.10 and 149,445.91

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Solution

The fourth proportional to 270,307.73, 373,018.10 and 149,445.91 is: 206,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,307.73 : 373,018.10 = 149,445.91 : x
  2. Step 2: Convert to fraction form
    270,307.73/373,018.10 = 149,445.91/x
  3. Step 3: Cross multiply
    270,307.73x = 373,018.10 × 149,445.91
  4. Step 4: Simplify right side
    270,307.73x = 55,746,029,400.97
  5. Step 5: Solve for x
    x = 55,746,029,400.97/270,307.73
  6. Step 6: Final answer
    x = 206,231.72

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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.