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Finding the Fourth Proportional to 202,417.70, 303,626.55 and 199,307.30

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Solution

The fourth proportional to 202,417.70, 303,626.55 and 199,307.30 is: 298,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,417.70 : 303,626.55 = 199,307.30 : x
  2. Step 2: Convert to fraction form
    202,417.70/303,626.55 = 199,307.30/x
  3. Step 3: Cross multiply
    202,417.70x = 303,626.55 × 199,307.30
  4. Step 4: Simplify right side
    202,417.70x = 60,514,987,888.82
  5. Step 5: Solve for x
    x = 60,514,987,888.82/202,417.70
  6. Step 6: Final answer
    x = 298,960.95

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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.