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Finding the Fourth Proportional to 302,262.49, 417,122.22 and 166,293.51

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Solution

The fourth proportional to 302,262.49, 417,122.22 and 166,293.51 is: 229,485.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,262.49 : 417,122.22 = 166,293.51 : x
  2. Step 2: Convert to fraction form
    302,262.49/417,122.22 = 166,293.51/x
  3. Step 3: Cross multiply
    302,262.49x = 417,122.22 × 166,293.51
  4. Step 4: Simplify right side
    302,262.49x = 69,364,718,062.79
  5. Step 5: Solve for x
    x = 69,364,718,062.79/302,262.49
  6. Step 6: Final answer
    x = 229,485.03

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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.