Home / 307,926.96-424,821.72-187,022.64

Finding the Fourth Proportional to 307,926.96, 424,821.72 and 187,022.64

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Solution

The fourth proportional to 307,926.96, 424,821.72 and 187,022.64 is: 258,019.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,926.96 : 424,821.72 = 187,022.64 : x
  2. Step 2: Convert to fraction form
    307,926.96/424,821.72 = 187,022.64/x
  3. Step 3: Cross multiply
    307,926.96x = 424,821.72 × 187,022.64
  4. Step 4: Simplify right side
    307,926.96x = 79,451,279,603.74
  5. Step 5: Solve for x
    x = 79,451,279,603.74/307,926.96
  6. Step 6: Final answer
    x = 258,019.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.