Home / 230,019.24-345,038.62-80,274.60

Finding the Fourth Proportional to 230,019.24, 345,038.62 and 80,274.60

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Solution

The fourth proportional to 230,019.24, 345,038.62 and 80,274.60 is: 120,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,019.24 : 345,038.62 = 80,274.60 : x
  2. Step 2: Convert to fraction form
    230,019.24/345,038.62 = 80,274.60/x
  3. Step 3: Cross multiply
    230,019.24x = 345,038.62 × 80,274.60
  4. Step 4: Simplify right side
    230,019.24x = 27,697,837,205.05
  5. Step 5: Solve for x
    x = 27,697,837,205.05/230,019.24
  6. Step 6: Final answer
    x = 120,415.31

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1.5x scale

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.