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Finding the Fourth Proportional to 302,194.76, 417,029.16 and 168,058.76

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Solution

The fourth proportional to 302,194.76, 417,029.16 and 168,058.76 is: 231,921.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,194.76 : 417,029.16 = 168,058.76 : x
  2. Step 2: Convert to fraction form
    302,194.76/417,029.16 = 168,058.76/x
  3. Step 3: Cross multiply
    302,194.76x = 417,029.16 × 168,058.76
  4. Step 4: Simplify right side
    302,194.76x = 70,085,403,513.44
  5. Step 5: Solve for x
    x = 70,085,403,513.44/302,194.76
  6. Step 6: Final answer
    x = 231,921.31

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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.