Home / 219,804.28-329,702.84-70,042.55

Finding the Fourth Proportional to 219,804.28, 329,702.84 and 70,042.55

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Solution

The fourth proportional to 219,804.28, 329,702.84 and 70,042.55 is: 105,062.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,804.28 : 329,702.84 = 70,042.55 : x
  2. Step 2: Convert to fraction form
    219,804.28/329,702.84 = 70,042.55/x
  3. Step 3: Cross multiply
    219,804.28x = 329,702.84 × 70,042.55
  4. Step 4: Simplify right side
    219,804.28x = 23,093,225,657.12
  5. Step 5: Solve for x
    x = 23,093,225,657.12/219,804.28
  6. Step 6: Final answer
    x = 105,062.68

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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.