Home / 307,448.69-424,279.93-171,491.44

Finding the Fourth Proportional to 307,448.69, 424,279.93 and 171,491.44

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Solution

The fourth proportional to 307,448.69, 424,279.93 and 171,491.44 is: 236,658.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,448.69 : 424,279.93 = 171,491.44 : x
  2. Step 2: Convert to fraction form
    307,448.69/424,279.93 = 171,491.44/x
  3. Step 3: Cross multiply
    307,448.69x = 424,279.93 × 171,491.44
  4. Step 4: Simplify right side
    307,448.69x = 72,760,378,122.11
  5. Step 5: Solve for x
    x = 72,760,378,122.11/307,448.69
  6. Step 6: Final answer
    x = 236,658.61

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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.