Home / 309,727.40-464,007.90-159,456.20

Finding the Fourth Proportional to 309,727.40, 464,007.90 and 159,456.20

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Solution

The fourth proportional to 309,727.40, 464,007.90 and 159,456.20 is: 238,884.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,727.40 : 464,007.90 = 159,456.20 : x
  2. Step 2: Convert to fraction form
    309,727.40/464,007.90 = 159,456.20/x
  3. Step 3: Cross multiply
    309,727.40x = 464,007.90 × 159,456.20
  4. Step 4: Simplify right side
    309,727.40x = 73,988,936,503.98
  5. Step 5: Solve for x
    x = 73,988,936,503.98/309,727.40
  6. Step 6: Final answer
    x = 238,884.05

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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.