Home / 263,297.29-363,349.16-142,438.29

Finding the Fourth Proportional to 263,297.29, 363,349.16 and 142,438.29

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Solution

The fourth proportional to 263,297.29, 363,349.16 and 142,438.29 is: 196,564.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,297.29 : 363,349.16 = 142,438.29 : x
  2. Step 2: Convert to fraction form
    263,297.29/363,349.16 = 142,438.29/x
  3. Step 3: Cross multiply
    263,297.29x = 363,349.16 × 142,438.29
  4. Step 4: Simplify right side
    263,297.29x = 51,754,833,023.34
  5. Step 5: Solve for x
    x = 51,754,833,023.34/263,297.29
  6. Step 6: Final answer
    x = 196,564.25

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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.