Home / 270,306.75-405,066.45-129,901.35

Finding the Fourth Proportional to 270,306.75, 405,066.45 and 129,901.35

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Solution

The fourth proportional to 270,306.75, 405,066.45 and 129,901.35 is: 194,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,306.75 : 405,066.45 = 129,901.35 : x
  2. Step 2: Convert to fraction form
    270,306.75/405,066.45 = 129,901.35/x
  3. Step 3: Cross multiply
    270,306.75x = 405,066.45 × 129,901.35
  4. Step 4: Simplify right side
    270,306.75x = 52,618,678,694.71
  5. Step 5: Solve for x
    x = 52,618,678,694.71/270,306.75
  6. Step 6: Final answer
    x = 194,662.84

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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.