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Finding the Fourth Proportional to 353,856.60, 488,365.30 and 200,942.93

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Solution

The fourth proportional to 353,856.60, 488,365.30 and 200,942.93 is: 277,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,856.60 : 488,365.30 = 200,942.93 : x
  2. Step 2: Convert to fraction form
    353,856.60/488,365.30 = 200,942.93/x
  3. Step 3: Cross multiply
    353,856.60x = 488,365.30 × 200,942.93
  4. Step 4: Simplify right side
    353,856.60x = 98,133,553,017.37
  5. Step 5: Solve for x
    x = 98,133,553,017.37/353,856.60
  6. Step 6: Final answer
    x = 277,325.77

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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.