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Finding the Fourth Proportional to 255,077.76, 352,007.04 and 141,898.08

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Solution

The fourth proportional to 255,077.76, 352,007.04 and 141,898.08 is: 195,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,077.76 : 352,007.04 = 141,898.08 : x
  2. Step 2: Convert to fraction form
    255,077.76/352,007.04 = 141,898.08/x
  3. Step 3: Cross multiply
    255,077.76x = 352,007.04 × 141,898.08
  4. Step 4: Simplify right side
    255,077.76x = 49,949,123,122.48
  5. Step 5: Solve for x
    x = 49,949,123,122.48/255,077.76
  6. Step 6: Final answer
    x = 195,819.20

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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.