Home / 309,890.81-463,839.73-159,926.85

Finding the Fourth Proportional to 309,890.81, 463,839.73 and 159,926.85

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Solution

The fourth proportional to 309,890.81, 463,839.73 and 159,926.85 is: 239,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,890.81 : 463,839.73 = 159,926.85 : x
  2. Step 2: Convert to fraction form
    309,890.81/463,839.73 = 159,926.85/x
  3. Step 3: Cross multiply
    309,890.81x = 463,839.73 × 159,926.85
  4. Step 4: Simplify right side
    309,890.81x = 74,180,426,523.93
  5. Step 5: Solve for x
    x = 74,180,426,523.93/309,890.81
  6. Step 6: Final answer
    x = 239,376.01

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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.