Home / 290,468.14-400,838.02-161,403.26

Finding the Fourth Proportional to 290,468.14, 400,838.02 and 161,403.26

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Solution

The fourth proportional to 290,468.14, 400,838.02 and 161,403.26 is: 222,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,468.14 : 400,838.02 = 161,403.26 : x
  2. Step 2: Convert to fraction form
    290,468.14/400,838.02 = 161,403.26/x
  3. Step 3: Cross multiply
    290,468.14x = 400,838.02 × 161,403.26
  4. Step 4: Simplify right side
    290,468.14x = 64,696,563,159.95
  5. Step 5: Solve for x
    x = 64,696,563,159.95/290,468.14
  6. Step 6: Final answer
    x = 222,732.05

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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.