Home / 632,860.08-949,432.32-212,125.20

Finding the Fourth Proportional to 632,860.08, 949,432.32 and 212,125.20

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Solution

The fourth proportional to 632,860.08, 949,432.32 and 212,125.20 is: 318,235.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,860.08 : 949,432.32 = 212,125.20 : x
  2. Step 2: Convert to fraction form
    632,860.08/949,432.32 = 212,125.20/x
  3. Step 3: Cross multiply
    632,860.08x = 949,432.32 × 212,125.20
  4. Step 4: Simplify right side
    632,860.08x = 201,398,520,766.46
  5. Step 5: Solve for x
    x = 201,398,520,766.46/632,860.08
  6. Step 6: Final answer
    x = 318,235.46

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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.