Home / 302,939.47-418,054.60-165,118.24

Finding the Fourth Proportional to 302,939.47, 418,054.60 and 165,118.24

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Solution

The fourth proportional to 302,939.47, 418,054.60 and 165,118.24 is: 227,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,939.47 : 418,054.60 = 165,118.24 : x
  2. Step 2: Convert to fraction form
    302,939.47/418,054.60 = 165,118.24/x
  3. Step 3: Cross multiply
    302,939.47x = 418,054.60 × 165,118.24
  4. Step 4: Simplify right side
    302,939.47x = 69,028,439,775.90
  5. Step 5: Solve for x
    x = 69,028,439,775.90/302,939.47
  6. Step 6: Final answer
    x = 227,862.15

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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.