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Finding the Fourth Proportional to 305,080.84, 457,638.67 and 102,595.69

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Solution

The fourth proportional to 305,080.84, 457,638.67 and 102,595.69 is: 153,899.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,080.84 : 457,638.67 = 102,595.69 : x
  2. Step 2: Convert to fraction form
    305,080.84/457,638.67 = 102,595.69/x
  3. Step 3: Cross multiply
    305,080.84x = 457,638.67 × 102,595.69
  4. Step 4: Simplify right side
    305,080.84x = 46,951,755,119.33
  5. Step 5: Solve for x
    x = 46,951,755,119.33/305,080.84
  6. Step 6: Final answer
    x = 153,899.39

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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.