Home / 355,146.37-532,715.87-205,291.31

Finding the Fourth Proportional to 355,146.37, 532,715.87 and 205,291.31

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Solution

The fourth proportional to 355,146.37, 532,715.87 and 205,291.31 is: 307,934.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,146.37 : 532,715.87 = 205,291.31 : x
  2. Step 2: Convert to fraction form
    355,146.37/532,715.87 = 205,291.31/x
  3. Step 3: Cross multiply
    355,146.37x = 532,715.87 × 205,291.31
  4. Step 4: Simplify right side
    355,146.37x = 109,361,936,659.74
  5. Step 5: Solve for x
    x = 109,361,936,659.74/355,146.37
  6. Step 6: Final answer
    x = 307,934.83

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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.