Home / 307,845.81-424,823.06-171,881.84

Finding the Fourth Proportional to 307,845.81, 424,823.06 and 171,881.84

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Solution

The fourth proportional to 307,845.81, 424,823.06 and 171,881.84 is: 237,194.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,845.81 : 424,823.06 = 171,881.84 : x
  2. Step 2: Convert to fraction form
    307,845.81/424,823.06 = 171,881.84/x
  3. Step 3: Cross multiply
    307,845.81x = 424,823.06 × 171,881.84
  4. Step 4: Simplify right side
    307,845.81x = 73,019,366,243.71
  5. Step 5: Solve for x
    x = 73,019,366,243.71/307,845.81
  6. Step 6: Final answer
    x = 237,194.61

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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.