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Finding the Fourth Proportional to 465,427.98, 642,294.63 and 261,482.94

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Solution

The fourth proportional to 465,427.98, 642,294.63 and 261,482.94 is: 360,848.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,427.98 : 642,294.63 = 261,482.94 : x
  2. Step 2: Convert to fraction form
    465,427.98/642,294.63 = 261,482.94/x
  3. Step 3: Cross multiply
    465,427.98x = 642,294.63 × 261,482.94
  4. Step 4: Simplify right side
    465,427.98x = 167,949,088,198.61
  5. Step 5: Solve for x
    x = 167,949,088,198.61/465,427.98
  6. Step 6: Final answer
    x = 360,848.71

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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.