Home / 307,423.75-424,244.78-166,111.75

Finding the Fourth Proportional to 307,423.75, 424,244.78 and 166,111.75

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Solution

The fourth proportional to 307,423.75, 424,244.78 and 166,111.75 is: 229,234.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,423.75 : 424,244.78 = 166,111.75 : x
  2. Step 2: Convert to fraction form
    307,423.75/424,244.78 = 166,111.75/x
  3. Step 3: Cross multiply
    307,423.75x = 424,244.78 × 166,111.75
  4. Step 4: Simplify right side
    307,423.75x = 70,472,042,834.17
  5. Step 5: Solve for x
    x = 70,472,042,834.17/307,423.75
  6. Step 6: Final answer
    x = 229,234.22

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1.5x scale

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.