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Finding the Fourth Proportional to 295,010.41, 442,393.62 and 92,538.98

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Solution

The fourth proportional to 295,010.41, 442,393.62 and 92,538.98 is: 138,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,010.41 : 442,393.62 = 92,538.98 : x
  2. Step 2: Convert to fraction form
    295,010.41/442,393.62 = 92,538.98/x
  3. Step 3: Cross multiply
    295,010.41x = 442,393.62 × 92,538.98
  4. Step 4: Simplify right side
    295,010.41x = 40,938,655,478.32
  5. Step 5: Solve for x
    x = 40,938,655,478.32/295,010.41
  6. Step 6: Final answer
    x = 138,770.21

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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.