Home / 219,849.80-328,737.90-163,862.60

Finding the Fourth Proportional to 219,849.80, 328,737.90 and 163,862.60

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Solution

The fourth proportional to 219,849.80, 328,737.90 and 163,862.60 is: 245,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,849.80 : 328,737.90 = 163,862.60 : x
  2. Step 2: Convert to fraction form
    219,849.80/328,737.90 = 163,862.60/x
  3. Step 3: Cross multiply
    219,849.80x = 328,737.90 × 163,862.60
  4. Step 4: Simplify right side
    219,849.80x = 53,867,847,012.54
  5. Step 5: Solve for x
    x = 53,867,847,012.54/219,849.80
  6. Step 6: Final answer
    x = 245,021.13

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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.