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Finding the Fourth Proportional to 630,881.96, 946,473.50 and 210,161.32

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Solution

The fourth proportional to 630,881.96, 946,473.50 and 210,161.32 is: 315,292.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,881.96 : 946,473.50 = 210,161.32 : x
  2. Step 2: Convert to fraction form
    630,881.96/946,473.50 = 210,161.32/x
  3. Step 3: Cross multiply
    630,881.96x = 946,473.50 × 210,161.32
  4. Step 4: Simplify right side
    630,881.96x = 198,912,120,105.02
  5. Step 5: Solve for x
    x = 198,912,120,105.02/630,881.96
  6. Step 6: Final answer
    x = 315,292.14

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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.