Home / 380,702.23-571,032.27-127,956.56

Finding the Fourth Proportional to 380,702.23, 571,032.27 and 127,956.56

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Solution

The fourth proportional to 380,702.23, 571,032.27 and 127,956.56 is: 191,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,702.23 : 571,032.27 = 127,956.56 : x
  2. Step 2: Convert to fraction form
    380,702.23/571,032.27 = 127,956.56/x
  3. Step 3: Cross multiply
    380,702.23x = 571,032.27 × 127,956.56
  4. Step 4: Simplify right side
    380,702.23x = 73,067,322,063.03
  5. Step 5: Solve for x
    x = 73,067,322,063.03/380,702.23
  6. Step 6: Final answer
    x = 191,927.75

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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.