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Finding the Fourth Proportional to 290,494.58, 435,618.03 and 110,549.30

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Solution

The fourth proportional to 290,494.58, 435,618.03 and 110,549.30 is: 165,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,494.58 : 435,618.03 = 110,549.30 : x
  2. Step 2: Convert to fraction form
    290,494.58/435,618.03 = 110,549.30/x
  3. Step 3: Cross multiply
    290,494.58x = 435,618.03 × 110,549.30
  4. Step 4: Simplify right side
    290,494.58x = 48,157,268,283.88
  5. Step 5: Solve for x
    x = 48,157,268,283.88/290,494.58
  6. Step 6: Final answer
    x = 165,776.82

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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.