Home / 379,957.37-569,778.44-140,084.91

Finding the Fourth Proportional to 379,957.37, 569,778.44 and 140,084.91

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Solution

The fourth proportional to 379,957.37, 569,778.44 and 140,084.91 is: 210,069.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,957.37 : 569,778.44 = 140,084.91 : x
  2. Step 2: Convert to fraction form
    379,957.37/569,778.44 = 140,084.91/x
  3. Step 3: Cross multiply
    379,957.37x = 569,778.44 × 140,084.91
  4. Step 4: Simplify right side
    379,957.37x = 79,817,360,786.92
  5. Step 5: Solve for x
    x = 79,817,360,786.92/379,957.37
  6. Step 6: Final answer
    x = 210,069.26

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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.