Home / 290,957.02-401,488.05-163,629.88

Finding the Fourth Proportional to 290,957.02, 401,488.05 and 163,629.88

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Solution

The fourth proportional to 290,957.02, 401,488.05 and 163,629.88 is: 225,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,957.02 : 401,488.05 = 163,629.88 : x
  2. Step 2: Convert to fraction form
    290,957.02/401,488.05 = 163,629.88/x
  3. Step 3: Cross multiply
    290,957.02x = 401,488.05 × 163,629.88
  4. Step 4: Simplify right side
    290,957.02x = 65,695,441,442.93
  5. Step 5: Solve for x
    x = 65,695,441,442.93/290,957.02
  6. Step 6: Final answer
    x = 225,790.88

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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.