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Finding the Fourth Proportional to 476,178.57, 714,244.77 and 176,717.52

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Solution

The fourth proportional to 476,178.57, 714,244.77 and 176,717.52 is: 265,067.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,178.57 : 714,244.77 = 176,717.52 : x
  2. Step 2: Convert to fraction form
    476,178.57/714,244.77 = 176,717.52/x
  3. Step 3: Cross multiply
    476,178.57x = 714,244.77 × 176,717.52
  4. Step 4: Simplify right side
    476,178.57x = 126,219,564,427.37
  5. Step 5: Solve for x
    x = 126,219,564,427.37/476,178.57
  6. Step 6: Final answer
    x = 265,067.71

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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.