Home / 493,432.62-740,147.04-193,703.46

Finding the Fourth Proportional to 493,432.62, 740,147.04 and 193,703.46

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Solution

The fourth proportional to 493,432.62, 740,147.04 and 193,703.46 is: 290,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,432.62 : 740,147.04 = 193,703.46 : x
  2. Step 2: Convert to fraction form
    493,432.62/740,147.04 = 193,703.46/x
  3. Step 3: Cross multiply
    493,432.62x = 740,147.04 × 193,703.46
  4. Step 4: Simplify right side
    493,432.62x = 143,369,042,556.76
  5. Step 5: Solve for x
    x = 143,369,042,556.76/493,432.62
  6. Step 6: Final answer
    x = 290,554.45

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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.