Home / 205,631.80-308,447.70-197,337.40

Finding the Fourth Proportional to 205,631.80, 308,447.70 and 197,337.40

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Solution

The fourth proportional to 205,631.80, 308,447.70 and 197,337.40 is: 296,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,631.80 : 308,447.70 = 197,337.40 : x
  2. Step 2: Convert to fraction form
    205,631.80/308,447.70 = 197,337.40/x
  3. Step 3: Cross multiply
    205,631.80x = 308,447.70 × 197,337.40
  4. Step 4: Simplify right side
    205,631.80x = 60,868,267,153.98
  5. Step 5: Solve for x
    x = 60,868,267,153.98/205,631.80
  6. Step 6: Final answer
    x = 296,006.10

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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.