Home / 379,844.48-569,556.39-155,362.57

Finding the Fourth Proportional to 379,844.48, 569,556.39 and 155,362.57

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Solution

The fourth proportional to 379,844.48, 569,556.39 and 155,362.57 is: 232,957.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,844.48 : 569,556.39 = 155,362.57 : x
  2. Step 2: Convert to fraction form
    379,844.48/569,556.39 = 155,362.57/x
  3. Step 3: Cross multiply
    379,844.48x = 569,556.39 × 155,362.57
  4. Step 4: Simplify right side
    379,844.48x = 88,487,744,510.32
  5. Step 5: Solve for x
    x = 88,487,744,510.32/379,844.48
  6. Step 6: Final answer
    x = 232,957.83

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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.