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Finding the Fourth Proportional to 228,332.76, 315,400.44 and 175,273.44

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Solution

The fourth proportional to 228,332.76, 315,400.44 and 175,273.44 is: 242,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,332.76 : 315,400.44 = 175,273.44 : x
  2. Step 2: Convert to fraction form
    228,332.76/315,400.44 = 175,273.44/x
  3. Step 3: Cross multiply
    228,332.76x = 315,400.44 × 175,273.44
  4. Step 4: Simplify right side
    228,332.76x = 55,281,320,096.31
  5. Step 5: Solve for x
    x = 55,281,320,096.31/228,332.76
  6. Step 6: Final answer
    x = 242,108.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.