Home / 230,308.02-345,434.67-80,536.86

Finding the Fourth Proportional to 230,308.02, 345,434.67 and 80,536.86

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Solution

The fourth proportional to 230,308.02, 345,434.67 and 80,536.86 is: 120,795.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,308.02 : 345,434.67 = 80,536.86 : x
  2. Step 2: Convert to fraction form
    230,308.02/345,434.67 = 80,536.86/x
  3. Step 3: Cross multiply
    230,308.02x = 345,434.67 × 80,536.86
  4. Step 4: Simplify right side
    230,308.02x = 27,820,223,656.94
  5. Step 5: Solve for x
    x = 27,820,223,656.94/230,308.02
  6. Step 6: Final answer
    x = 120,795.72

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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.