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Finding the Fourth Proportional to 243,352.51, 364,770.27 and 143,559.70

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Solution

The fourth proportional to 243,352.51, 364,770.27 and 143,559.70 is: 215,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,352.51 : 364,770.27 = 143,559.70 : x
  2. Step 2: Convert to fraction form
    243,352.51/364,770.27 = 143,559.70/x
  3. Step 3: Cross multiply
    243,352.51x = 364,770.27 × 143,559.70
  4. Step 4: Simplify right side
    243,352.51x = 52,366,309,618.19
  5. Step 5: Solve for x
    x = 52,366,309,618.19/243,352.51
  6. Step 6: Final answer
    x = 215,187.06

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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.