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Finding the Fourth Proportional to 219,803.97, 329,702.36 and 70,042.23

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Solution

The fourth proportional to 219,803.97, 329,702.36 and 70,042.23 is: 105,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,803.97 : 329,702.36 = 70,042.23 : x
  2. Step 2: Convert to fraction form
    219,803.97/329,702.36 = 70,042.23/x
  3. Step 3: Cross multiply
    219,803.97x = 329,702.36 × 70,042.23
  4. Step 4: Simplify right side
    219,803.97x = 23,093,088,180.45
  5. Step 5: Solve for x
    x = 23,093,088,180.45/219,803.97
  6. Step 6: Final answer
    x = 105,062.20

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1.5x scale

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.