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Finding the Fourth Proportional to 186,027.97, 279,012.03 and 51,060.51

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Solution

The fourth proportional to 186,027.97, 279,012.03 and 51,060.51 is: 76,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,027.97 : 279,012.03 = 51,060.51 : x
  2. Step 2: Convert to fraction form
    186,027.97/279,012.03 = 51,060.51/x
  3. Step 3: Cross multiply
    186,027.97x = 279,012.03 × 51,060.51
  4. Step 4: Simplify right side
    186,027.97x = 14,246,496,547.94
  5. Step 5: Solve for x
    x = 14,246,496,547.94/186,027.97
  6. Step 6: Final answer
    x = 76,582.55

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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.