Home / 287,327.43-430,553.75-137,361.60

Finding the Fourth Proportional to 287,327.43, 430,553.75 and 137,361.60

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Solution

The fourth proportional to 287,327.43, 430,553.75 and 137,361.60 is: 205,833.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,327.43 : 430,553.75 = 137,361.60 : x
  2. Step 2: Convert to fraction form
    287,327.43/430,553.75 = 137,361.60/x
  3. Step 3: Cross multiply
    287,327.43x = 430,553.75 × 137,361.60
  4. Step 4: Simplify right side
    287,327.43x = 59,141,551,299.19
  5. Step 5: Solve for x
    x = 59,141,551,299.19/287,327.43
  6. Step 6: Final answer
    x = 205,833.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.