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Finding the Fourth Proportional to 442,051.32, 663,076.38 and 205,264.52

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Solution

The fourth proportional to 442,051.32, 663,076.38 and 205,264.52 is: 307,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,051.32 : 663,076.38 = 205,264.52 : x
  2. Step 2: Convert to fraction form
    442,051.32/663,076.38 = 205,264.52/x
  3. Step 3: Cross multiply
    442,051.32x = 663,076.38 × 205,264.52
  4. Step 4: Simplify right side
    442,051.32x = 136,106,054,864.04
  5. Step 5: Solve for x
    x = 136,106,054,864.04/442,051.32
  6. Step 6: Final answer
    x = 307,896.50

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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.