Home / 305,979.84-457,986.96-163,468.80

Finding the Fourth Proportional to 305,979.84, 457,986.96 and 163,468.80

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Solution

The fourth proportional to 305,979.84, 457,986.96 and 163,468.80 is: 244,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,979.84 : 457,986.96 = 163,468.80 : x
  2. Step 2: Convert to fraction form
    305,979.84/457,986.96 = 163,468.80/x
  3. Step 3: Cross multiply
    305,979.84x = 457,986.96 × 163,468.80
  4. Step 4: Simplify right side
    305,979.84x = 74,866,578,766.85
  5. Step 5: Solve for x
    x = 74,866,578,766.85/305,979.84
  6. Step 6: Final answer
    x = 244,678.14

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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.