Home / 380,256.52-570,367.47-127,517.56

Finding the Fourth Proportional to 380,256.52, 570,367.47 and 127,517.56

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Solution

The fourth proportional to 380,256.52, 570,367.47 and 127,517.56 is: 191,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,256.52 : 570,367.47 = 127,517.56 : x
  2. Step 2: Convert to fraction form
    380,256.52/570,367.47 = 127,517.56/x
  3. Step 3: Cross multiply
    380,256.52x = 570,367.47 × 127,517.56
  4. Step 4: Simplify right side
    380,256.52x = 72,731,868,077.77
  5. Step 5: Solve for x
    x = 72,731,868,077.77/380,256.52
  6. Step 6: Final answer
    x = 191,270.54

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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.