Home / 268,259.04-402,387.75-68,579.46

Finding the Fourth Proportional to 268,259.04, 402,387.75 and 68,579.46

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Solution

The fourth proportional to 268,259.04, 402,387.75 and 68,579.46 is: 102,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,259.04 : 402,387.75 = 68,579.46 : x
  2. Step 2: Convert to fraction form
    268,259.04/402,387.75 = 68,579.46/x
  3. Step 3: Cross multiply
    268,259.04x = 402,387.75 × 68,579.46
  4. Step 4: Simplify right side
    268,259.04x = 27,595,534,605.62
  5. Step 5: Solve for x
    x = 27,595,534,605.62/268,259.04
  6. Step 6: Final answer
    x = 102,868.98

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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.