Home / 642,731.40-964,092.24-193,450.32

Finding the Fourth Proportional to 642,731.40, 964,092.24 and 193,450.32

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Solution

The fourth proportional to 642,731.40, 964,092.24 and 193,450.32 is: 290,174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,731.40 : 964,092.24 = 193,450.32 : x
  2. Step 2: Convert to fraction form
    642,731.40/964,092.24 = 193,450.32/x
  3. Step 3: Cross multiply
    642,731.40x = 964,092.24 × 193,450.32
  4. Step 4: Simplify right side
    642,731.40x = 186,503,952,337.52
  5. Step 5: Solve for x
    x = 186,503,952,337.52/642,731.40
  6. Step 6: Final answer
    x = 290,174.02

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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.