Home / 334,905.36-462,155.40-198,951.72

Finding the Fourth Proportional to 334,905.36, 462,155.40 and 198,951.72

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Solution

The fourth proportional to 334,905.36, 462,155.40 and 198,951.72 is: 274,545.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,905.36 : 462,155.40 = 198,951.72 : x
  2. Step 2: Convert to fraction form
    334,905.36/462,155.40 = 198,951.72/x
  3. Step 3: Cross multiply
    334,905.36x = 462,155.40 × 198,951.72
  4. Step 4: Simplify right side
    334,905.36x = 91,946,611,737.29
  5. Step 5: Solve for x
    x = 91,946,611,737.29/334,905.36
  6. Step 6: Final answer
    x = 274,545.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.