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Finding the Fourth Proportional to 357,628, 535,625.52 and 170,770.72

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Solution

The fourth proportional to 357,628, 535,625.52 and 170,770.72 is: 255,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,628 : 535,625.52 = 170,770.72 : x
  2. Step 2: Convert to fraction form
    357,628/535,625.52 = 170,770.72/x
  3. Step 3: Cross multiply
    357,628x = 535,625.52 × 170,770.72
  4. Step 4: Simplify right side
    357,628x = 91,469,155,700.77
  5. Step 5: Solve for x
    x = 91,469,155,700.77/357,628
  6. Step 6: Final answer
    x = 255,766.20

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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.