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Finding the Fourth Proportional to 351,307.92, 484,870.61 and 200,404.92

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Solution

The fourth proportional to 351,307.92, 484,870.61 and 200,404.92 is: 276,596.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,307.92 : 484,870.61 = 200,404.92 : x
  2. Step 2: Convert to fraction form
    351,307.92/484,870.61 = 200,404.92/x
  3. Step 3: Cross multiply
    351,307.92x = 484,870.61 × 200,404.92
  4. Step 4: Simplify right side
    351,307.92x = 97,170,456,653.91
  5. Step 5: Solve for x
    x = 97,170,456,653.91/351,307.92
  6. Step 6: Final answer
    x = 276,596.26

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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.