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Finding the Fourth Proportional to 202,348.68, 279,239.46 and 111,702.70

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Solution

The fourth proportional to 202,348.68, 279,239.46 and 111,702.70 is: 154,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,348.68 : 279,239.46 = 111,702.70 : x
  2. Step 2: Convert to fraction form
    202,348.68/279,239.46 = 111,702.70/x
  3. Step 3: Cross multiply
    202,348.68x = 279,239.46 × 111,702.70
  4. Step 4: Simplify right side
    202,348.68x = 31,191,800,232.34
  5. Step 5: Solve for x
    x = 31,191,800,232.34/202,348.68
  6. Step 6: Final answer
    x = 154,148.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.