Home / 380,750.10-570,524.31-140,533.37

Finding the Fourth Proportional to 380,750.10, 570,524.31 and 140,533.37

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Solution

The fourth proportional to 380,750.10, 570,524.31 and 140,533.37 is: 210,578.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,750.10 : 570,524.31 = 140,533.37 : x
  2. Step 2: Convert to fraction form
    380,750.10/570,524.31 = 140,533.37/x
  3. Step 3: Cross multiply
    380,750.10x = 570,524.31 × 140,533.37
  4. Step 4: Simplify right side
    380,750.10x = 80,177,701,098.60
  5. Step 5: Solve for x
    x = 80,177,701,098.60/380,750.10
  6. Step 6: Final answer
    x = 210,578.28

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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.