Home / 238,403.87-329,015.81-136,461.32

Finding the Fourth Proportional to 238,403.87, 329,015.81 and 136,461.32

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Solution

The fourth proportional to 238,403.87, 329,015.81 and 136,461.32 is: 188,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,403.87 : 329,015.81 = 136,461.32 : x
  2. Step 2: Convert to fraction form
    238,403.87/329,015.81 = 136,461.32/x
  3. Step 3: Cross multiply
    238,403.87x = 329,015.81 × 136,461.32
  4. Step 4: Simplify right side
    238,403.87x = 44,897,932,746.47
  5. Step 5: Solve for x
    x = 44,897,932,746.47/238,403.87
  6. Step 6: Final answer
    x = 188,327.19

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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.