Home / 307,928.46-424,823.79-187,024.14

Finding the Fourth Proportional to 307,928.46, 424,823.79 and 187,024.14

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Solution

The fourth proportional to 307,928.46, 424,823.79 and 187,024.14 is: 258,021.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,928.46 : 424,823.79 = 187,024.14 : x
  2. Step 2: Convert to fraction form
    307,928.46/424,823.79 = 187,024.14/x
  3. Step 3: Cross multiply
    307,928.46x = 424,823.79 × 187,024.14
  4. Step 4: Simplify right side
    307,928.46x = 79,452,303,976.29
  5. Step 5: Solve for x
    x = 79,452,303,976.29/307,928.46
  6. Step 6: Final answer
    x = 258,021.96

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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.