Home / 380,619.48-570,938.52-127,903.62

Finding the Fourth Proportional to 380,619.48, 570,938.52 and 127,903.62

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Solution

The fourth proportional to 380,619.48, 570,938.52 and 127,903.62 is: 191,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,619.48 : 570,938.52 = 127,903.62 : x
  2. Step 2: Convert to fraction form
    380,619.48/570,938.52 = 127,903.62/x
  3. Step 3: Cross multiply
    380,619.48x = 570,938.52 × 127,903.62
  4. Step 4: Simplify right side
    380,619.48x = 73,025,103,505.44
  5. Step 5: Solve for x
    x = 73,025,103,505.44/380,619.48
  6. Step 6: Final answer
    x = 191,858.56

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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.