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Finding the Fourth Proportional to 316,924.37, 475,573.43 and 117,384.92

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Solution

The fourth proportional to 316,924.37, 475,573.43 and 117,384.92 is: 176,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,924.37 : 475,573.43 = 117,384.92 : x
  2. Step 2: Convert to fraction form
    316,924.37/475,573.43 = 117,384.92/x
  3. Step 3: Cross multiply
    316,924.37x = 475,573.43 × 117,384.92
  4. Step 4: Simplify right side
    316,924.37x = 55,825,149,034.68
  5. Step 5: Solve for x
    x = 55,825,149,034.68/316,924.37
  6. Step 6: Final answer
    x = 176,146.60

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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.