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Finding the Fourth Proportional to 235,917.64, 353,526.44 and 173,281.96

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Solution

The fourth proportional to 235,917.64, 353,526.44 and 173,281.96 is: 259,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,917.64 : 353,526.44 = 173,281.96 : x
  2. Step 2: Convert to fraction form
    235,917.64/353,526.44 = 173,281.96/x
  3. Step 3: Cross multiply
    235,917.64x = 353,526.44 × 173,281.96
  4. Step 4: Simplify right side
    235,917.64x = 61,259,754,435.02
  5. Step 5: Solve for x
    x = 61,259,754,435.02/235,917.64
  6. Step 6: Final answer
    x = 259,665.85

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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.