Home / 230,051.20-345,087.60-72,284.80

Finding the Fourth Proportional to 230,051.20, 345,087.60 and 72,284.80

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Solution

The fourth proportional to 230,051.20, 345,087.60 and 72,284.80 is: 108,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,051.20 : 345,087.60 = 72,284.80 : x
  2. Step 2: Convert to fraction form
    230,051.20/345,087.60 = 72,284.80/x
  3. Step 3: Cross multiply
    230,051.20x = 345,087.60 × 72,284.80
  4. Step 4: Simplify right side
    230,051.20x = 24,944,588,148.48
  5. Step 5: Solve for x
    x = 24,944,588,148.48/230,051.20
  6. Step 6: Final answer
    x = 108,430.59

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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.