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Finding the Fourth Proportional to 253,376.66, 380,175.21 and 158,823.51

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Solution

The fourth proportional to 253,376.66, 380,175.21 and 158,823.51 is: 238,304.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,376.66 : 380,175.21 = 158,823.51 : x
  2. Step 2: Convert to fraction form
    253,376.66/380,175.21 = 158,823.51/x
  3. Step 3: Cross multiply
    253,376.66x = 380,175.21 × 158,823.51
  4. Step 4: Simplify right side
    253,376.66x = 60,380,761,267.19
  5. Step 5: Solve for x
    x = 60,380,761,267.19/253,376.66
  6. Step 6: Final answer
    x = 238,304.36

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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.