Home / 230,290.47-345,287.34-97,135.11

Finding the Fourth Proportional to 230,290.47, 345,287.34 and 97,135.11

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Solution

The fourth proportional to 230,290.47, 345,287.34 and 97,135.11 is: 145,640.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,290.47 : 345,287.34 = 97,135.11 : x
  2. Step 2: Convert to fraction form
    230,290.47/345,287.34 = 97,135.11/x
  3. Step 3: Cross multiply
    230,290.47x = 345,287.34 × 97,135.11
  4. Step 4: Simplify right side
    230,290.47x = 33,539,523,752.51
  5. Step 5: Solve for x
    x = 33,539,523,752.51/230,290.47
  6. Step 6: Final answer
    x = 145,640.09

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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.