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Finding the Fourth Proportional to 252,063.37, 378,252.71 and 102,303.66

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Solution

The fourth proportional to 252,063.37, 378,252.71 and 102,303.66 is: 153,519.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,063.37 : 378,252.71 = 102,303.66 : x
  2. Step 2: Convert to fraction form
    252,063.37/378,252.71 = 102,303.66/x
  3. Step 3: Cross multiply
    252,063.37x = 378,252.71 × 102,303.66
  4. Step 4: Simplify right side
    252,063.37x = 38,696,636,637.92
  5. Step 5: Solve for x
    x = 38,696,636,637.92/252,063.37
  6. Step 6: Final answer
    x = 153,519.48

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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.