Home / 198,689.90-298,032.24-48,931.43

Finding the Fourth Proportional to 198,689.90, 298,032.24 and 48,931.43

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Solution

The fourth proportional to 198,689.90, 298,032.24 and 48,931.43 is: 73,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,689.90 : 298,032.24 = 48,931.43 : x
  2. Step 2: Convert to fraction form
    198,689.90/298,032.24 = 48,931.43/x
  3. Step 3: Cross multiply
    198,689.90x = 298,032.24 × 48,931.43
  4. Step 4: Simplify right side
    198,689.90x = 14,583,143,689.30
  5. Step 5: Solve for x
    x = 14,583,143,689.30/198,689.90
  6. Step 6: Final answer
    x = 73,396.50

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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.