Home / 519,865.25-779,872.26-160,066.55

Finding the Fourth Proportional to 519,865.25, 779,872.26 and 160,066.55

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Solution

The fourth proportional to 519,865.25, 779,872.26 and 160,066.55 is: 240,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,865.25 : 779,872.26 = 160,066.55 : x
  2. Step 2: Convert to fraction form
    519,865.25/779,872.26 = 160,066.55/x
  3. Step 3: Cross multiply
    519,865.25x = 779,872.26 × 160,066.55
  4. Step 4: Simplify right side
    519,865.25x = 124,831,458,199.54
  5. Step 5: Solve for x
    x = 124,831,458,199.54/519,865.25
  6. Step 6: Final answer
    x = 240,122.72

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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.