Home / 238,629.04-357,918.95-80,853.39

Finding the Fourth Proportional to 238,629.04, 357,918.95 and 80,853.39

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Solution

The fourth proportional to 238,629.04, 357,918.95 and 80,853.39 is: 121,271.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,629.04 : 357,918.95 = 80,853.39 : x
  2. Step 2: Convert to fraction form
    238,629.04/357,918.95 = 80,853.39/x
  3. Step 3: Cross multiply
    238,629.04x = 357,918.95 × 80,853.39
  4. Step 4: Simplify right side
    238,629.04x = 28,938,960,654.87
  5. Step 5: Solve for x
    x = 28,938,960,654.87/238,629.04
  6. Step 6: Final answer
    x = 121,271.75

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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.