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Finding the Fourth Proportional to 235,962.65, 353,933.71 and 76,035.02

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Solution

The fourth proportional to 235,962.65, 353,933.71 and 76,035.02 is: 114,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,962.65 : 353,933.71 = 76,035.02 : x
  2. Step 2: Convert to fraction form
    235,962.65/353,933.71 = 76,035.02/x
  3. Step 3: Cross multiply
    235,962.65x = 353,933.71 × 76,035.02
  4. Step 4: Simplify right side
    235,962.65x = 26,911,354,758.77
  5. Step 5: Solve for x
    x = 26,911,354,758.77/235,962.65
  6. Step 6: Final answer
    x = 114,049.21

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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.