Home / 290,500.10-400,927.73-163,175.66

Finding the Fourth Proportional to 290,500.10, 400,927.73 and 163,175.66

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Solution

The fourth proportional to 290,500.10, 400,927.73 and 163,175.66 is: 225,203.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,500.10 : 400,927.73 = 163,175.66 : x
  2. Step 2: Convert to fraction form
    290,500.10/400,927.73 = 163,175.66/x
  3. Step 3: Cross multiply
    290,500.10x = 400,927.73 × 163,175.66
  4. Step 4: Simplify right side
    290,500.10x = 65,421,644,134.53
  5. Step 5: Solve for x
    x = 65,421,644,134.53/290,500.10
  6. Step 6: Final answer
    x = 225,203.52

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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.