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Finding the Fourth Proportional to 630,753.43, 946,280.80 and 210,032.95

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Solution

The fourth proportional to 630,753.43, 946,280.80 and 210,032.95 is: 315,099.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,753.43 : 946,280.80 = 210,032.95 : x
  2. Step 2: Convert to fraction form
    630,753.43/946,280.80 = 210,032.95/x
  3. Step 3: Cross multiply
    630,753.43x = 946,280.80 × 210,032.95
  4. Step 4: Simplify right side
    630,753.43x = 198,750,147,952.36
  5. Step 5: Solve for x
    x = 198,750,147,952.36/630,753.43
  6. Step 6: Final answer
    x = 315,099.59

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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.