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Finding the Fourth Proportional to 273,877.15, 410,970.45 and 147,514.72

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Solution

The fourth proportional to 273,877.15, 410,970.45 and 147,514.72 is: 221,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,877.15 : 410,970.45 = 147,514.72 : x
  2. Step 2: Convert to fraction form
    273,877.15/410,970.45 = 147,514.72/x
  3. Step 3: Cross multiply
    273,877.15x = 410,970.45 × 147,514.72
  4. Step 4: Simplify right side
    273,877.15x = 60,624,190,860.02
  5. Step 5: Solve for x
    x = 60,624,190,860.02/273,877.15
  6. Step 6: Final answer
    x = 221,355.42

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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.