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Finding the Fourth Proportional to 245,290.18, 367,616.98 and 110,254.48

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Solution

The fourth proportional to 245,290.18, 367,616.98 and 110,254.48 is: 165,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,290.18 : 367,616.98 = 110,254.48 : x
  2. Step 2: Convert to fraction form
    245,290.18/367,616.98 = 110,254.48/x
  3. Step 3: Cross multiply
    245,290.18x = 367,616.98 × 110,254.48
  4. Step 4: Simplify right side
    245,290.18x = 40,531,418,969.07
  5. Step 5: Solve for x
    x = 40,531,418,969.07/245,290.18
  6. Step 6: Final answer
    x = 165,238.65

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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.