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Finding the Fourth Proportional to 202,736.72, 304,017.08 and 77,990.16

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Solution

The fourth proportional to 202,736.72, 304,017.08 and 77,990.16 is: 116,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,736.72 : 304,017.08 = 77,990.16 : x
  2. Step 2: Convert to fraction form
    202,736.72/304,017.08 = 77,990.16/x
  3. Step 3: Cross multiply
    202,736.72x = 304,017.08 × 77,990.16
  4. Step 4: Simplify right side
    202,736.72x = 23,710,340,711.93
  5. Step 5: Solve for x
    x = 23,710,340,711.93/202,736.72
  6. Step 6: Final answer
    x = 116,951.39

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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.