Home / 307,935.69-424,946.77-171,968.20

Finding the Fourth Proportional to 307,935.69, 424,946.77 and 171,968.20

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Solution

The fourth proportional to 307,935.69, 424,946.77 and 171,968.20 is: 237,313.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,935.69 : 424,946.77 = 171,968.20 : x
  2. Step 2: Convert to fraction form
    307,935.69/424,946.77 = 171,968.20/x
  3. Step 3: Cross multiply
    307,935.69x = 424,946.77 × 171,968.20
  4. Step 4: Simplify right side
    307,935.69x = 73,077,329,640.43
  5. Step 5: Solve for x
    x = 73,077,329,640.43/307,935.69
  6. Step 6: Final answer
    x = 237,313.61

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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.