Home / 290,677.14-400,884.66-188,602.02

Finding the Fourth Proportional to 290,677.14, 400,884.66 and 188,602.02

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Solution

The fourth proportional to 290,677.14, 400,884.66 and 188,602.02 is: 260,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,677.14 : 400,884.66 = 188,602.02 : x
  2. Step 2: Convert to fraction form
    290,677.14/400,884.66 = 188,602.02/x
  3. Step 3: Cross multiply
    290,677.14x = 400,884.66 × 188,602.02
  4. Step 4: Simplify right side
    290,677.14x = 75,607,656,663.01
  5. Step 5: Solve for x
    x = 75,607,656,663.01/290,677.14
  6. Step 6: Final answer
    x = 260,108.71

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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.