Home / 302,919.80-418,012.26-166,953.34

Finding the Fourth Proportional to 302,919.80, 418,012.26 and 166,953.34

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Solution

The fourth proportional to 302,919.80, 418,012.26 and 166,953.34 is: 230,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,919.80 : 418,012.26 = 166,953.34 : x
  2. Step 2: Convert to fraction form
    302,919.80/418,012.26 = 166,953.34/x
  3. Step 3: Cross multiply
    302,919.80x = 418,012.26 × 166,953.34
  4. Step 4: Simplify right side
    302,919.80x = 69,788,542,967.95
  5. Step 5: Solve for x
    x = 69,788,542,967.95/302,919.80
  6. Step 6: Final answer
    x = 230,386.20

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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.