Home / 379,367.06-569,088.88-123,188.90

Finding the Fourth Proportional to 379,367.06, 569,088.88 and 123,188.90

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Solution

The fourth proportional to 379,367.06, 569,088.88 and 123,188.90 is: 184,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,367.06 : 569,088.88 = 123,188.90 : x
  2. Step 2: Convert to fraction form
    379,367.06/569,088.88 = 123,188.90/x
  3. Step 3: Cross multiply
    379,367.06x = 569,088.88 × 123,188.90
  4. Step 4: Simplify right side
    379,367.06x = 70,105,429,976.02
  5. Step 5: Solve for x
    x = 70,105,429,976.02/379,367.06
  6. Step 6: Final answer
    x = 184,795.78

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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.