Home / 238,327.48-328,895.88-130,907.44

Finding the Fourth Proportional to 238,327.48, 328,895.88 and 130,907.44

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Solution

The fourth proportional to 238,327.48, 328,895.88 and 130,907.44 is: 180,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,327.48 : 328,895.88 = 130,907.44 : x
  2. Step 2: Convert to fraction form
    238,327.48/328,895.88 = 130,907.44/x
  3. Step 3: Cross multiply
    238,327.48x = 328,895.88 × 130,907.44
  4. Step 4: Simplify right side
    238,327.48x = 43,054,917,677.35
  5. Step 5: Solve for x
    x = 43,054,917,677.35/238,327.48
  6. Step 6: Final answer
    x = 180,654.44

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Why These Related Problems?

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