Home / 380,877.53-571,137.24-140,825.58

Finding the Fourth Proportional to 380,877.53, 571,137.24 and 140,825.58

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Solution

The fourth proportional to 380,877.53, 571,137.24 and 140,825.58 is: 211,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,877.53 : 571,137.24 = 140,825.58 : x
  2. Step 2: Convert to fraction form
    380,877.53/571,137.24 = 140,825.58/x
  3. Step 3: Cross multiply
    380,877.53x = 571,137.24 × 140,825.58
  4. Step 4: Simplify right side
    380,877.53x = 80,430,730,682.30
  5. Step 5: Solve for x
    x = 80,430,730,682.30/380,877.53
  6. Step 6: Final answer
    x = 211,172.16

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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.