Home / 303,071.15-418,241.47-167,105.36

Finding the Fourth Proportional to 303,071.15, 418,241.47 and 167,105.36

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Solution

The fourth proportional to 303,071.15, 418,241.47 and 167,105.36 is: 230,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,071.15 : 418,241.47 = 167,105.36 : x
  2. Step 2: Convert to fraction form
    303,071.15/418,241.47 = 167,105.36/x
  3. Step 3: Cross multiply
    303,071.15x = 418,241.47 × 167,105.36
  4. Step 4: Simplify right side
    303,071.15x = 69,890,391,411.28
  5. Step 5: Solve for x
    x = 69,890,391,411.28/303,071.15
  6. Step 6: Final answer
    x = 230,607.21

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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.