Home / 302,139.27-416,954.97-164,319.48

Finding the Fourth Proportional to 302,139.27, 416,954.97 and 164,319.48

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Solution

The fourth proportional to 302,139.27, 416,954.97 and 164,319.48 is: 226,762.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,139.27 : 416,954.97 = 164,319.48 : x
  2. Step 2: Convert to fraction form
    302,139.27/416,954.97 = 164,319.48/x
  3. Step 3: Cross multiply
    302,139.27x = 416,954.97 × 164,319.48
  4. Step 4: Simplify right side
    302,139.27x = 68,513,823,853.82
  5. Step 5: Solve for x
    x = 68,513,823,853.82/302,139.27
  6. Step 6: Final answer
    x = 226,762.39

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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.