Home / 290,192.40-400,525.20-182,690.28

Finding the Fourth Proportional to 290,192.40, 400,525.20 and 182,690.28

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Solution

The fourth proportional to 290,192.40, 400,525.20 and 182,690.28 is: 252,150.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,192.40 : 400,525.20 = 182,690.28 : x
  2. Step 2: Convert to fraction form
    290,192.40/400,525.20 = 182,690.28/x
  3. Step 3: Cross multiply
    290,192.40x = 400,525.20 × 182,690.28
  4. Step 4: Simplify right side
    290,192.40x = 73,172,060,935.06
  5. Step 5: Solve for x
    x = 73,172,060,935.06/290,192.40
  6. Step 6: Final answer
    x = 252,150.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.