Home / 302,972.90-418,083.48-166,999.32

Finding the Fourth Proportional to 302,972.90, 418,083.48 and 166,999.32

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Solution

The fourth proportional to 302,972.90, 418,083.48 and 166,999.32 is: 230,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,972.90 : 418,083.48 = 166,999.32 : x
  2. Step 2: Convert to fraction form
    302,972.90/418,083.48 = 166,999.32/x
  3. Step 3: Cross multiply
    302,972.90x = 418,083.48 × 166,999.32
  4. Step 4: Simplify right side
    302,972.90x = 69,819,656,863.23
  5. Step 5: Solve for x
    x = 69,819,656,863.23/302,972.90
  6. Step 6: Final answer
    x = 230,448.53

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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.