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Finding the Fourth Proportional to 454,095, 626,670.54 and 252,891

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Solution

The fourth proportional to 454,095, 626,670.54 and 252,891 is: 349,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,095 : 626,670.54 = 252,891 : x
  2. Step 2: Convert to fraction form
    454,095/626,670.54 = 252,891/x
  3. Step 3: Cross multiply
    454,095x = 626,670.54 × 252,891
  4. Step 4: Simplify right side
    454,095x = 158,479,339,531.14
  5. Step 5: Solve for x
    x = 158,479,339,531.14/454,095
  6. Step 6: Final answer
    x = 349,000.41

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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.