Home / 230,810.40-346,006.62-90,531.36

Finding the Fourth Proportional to 230,810.40, 346,006.62 and 90,531.36

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Solution

The fourth proportional to 230,810.40, 346,006.62 and 90,531.36 is: 135,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,810.40 : 346,006.62 = 90,531.36 : x
  2. Step 2: Convert to fraction form
    230,810.40/346,006.62 = 90,531.36/x
  3. Step 3: Cross multiply
    230,810.40x = 346,006.62 × 90,531.36
  4. Step 4: Simplify right side
    230,810.40x = 31,324,449,877.60
  5. Step 5: Solve for x
    x = 31,324,449,877.60/230,810.40
  6. Step 6: Final answer
    x = 135,715.07

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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.