Home / 342,690.24-513,936.72-118,041.60

Finding the Fourth Proportional to 342,690.24, 513,936.72 and 118,041.60

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Solution

The fourth proportional to 342,690.24, 513,936.72 and 118,041.60 is: 177,028.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,690.24 : 513,936.72 = 118,041.60 : x
  2. Step 2: Convert to fraction form
    342,690.24/513,936.72 = 118,041.60/x
  3. Step 3: Cross multiply
    342,690.24x = 513,936.72 × 118,041.60
  4. Step 4: Simplify right side
    342,690.24x = 60,665,912,727.55
  5. Step 5: Solve for x
    x = 60,665,912,727.55/342,690.24
  6. Step 6: Final answer
    x = 177,028.42

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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.