Home / 230,537.24-345,816.45-86,477.49

Finding the Fourth Proportional to 230,537.24, 345,816.45 and 86,477.49

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Solution

The fourth proportional to 230,537.24, 345,816.45 and 86,477.49 is: 129,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,537.24 : 345,816.45 = 86,477.49 : x
  2. Step 2: Convert to fraction form
    230,537.24/345,816.45 = 86,477.49/x
  3. Step 3: Cross multiply
    230,537.24x = 345,816.45 × 86,477.49
  4. Step 4: Simplify right side
    230,537.24x = 29,905,338,596.71
  5. Step 5: Solve for x
    x = 29,905,338,596.71/230,537.24
  6. Step 6: Final answer
    x = 129,720.21

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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.