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Finding the Fourth Proportional to 238,051.50, 328,531.85 and 130,642.26

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Solution

The fourth proportional to 238,051.50, 328,531.85 and 130,642.26 is: 180,297.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,051.50 : 328,531.85 = 130,642.26 : x
  2. Step 2: Convert to fraction form
    238,051.50/328,531.85 = 130,642.26/x
  3. Step 3: Cross multiply
    238,051.50x = 328,531.85 × 130,642.26
  4. Step 4: Simplify right side
    238,051.50x = 42,920,143,365.98
  5. Step 5: Solve for x
    x = 42,920,143,365.98/238,051.50
  6. Step 6: Final answer
    x = 180,297.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.