Home / 230,828.40-346,033.62-90,549.36

Finding the Fourth Proportional to 230,828.40, 346,033.62 and 90,549.36

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Solution

The fourth proportional to 230,828.40, 346,033.62 and 90,549.36 is: 135,742.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,828.40 : 346,033.62 = 90,549.36 : x
  2. Step 2: Convert to fraction form
    230,828.40/346,033.62 = 90,549.36/x
  3. Step 3: Cross multiply
    230,828.40x = 346,033.62 × 90,549.36
  4. Step 4: Simplify right side
    230,828.40x = 31,333,122,829.48
  5. Step 5: Solve for x
    x = 31,333,122,829.48/230,828.40
  6. Step 6: Final answer
    x = 135,742.06

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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.