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Finding the Fourth Proportional to 379,403.56, 569,194.74 and 123,234.98

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Solution

The fourth proportional to 379,403.56, 569,194.74 and 123,234.98 is: 184,881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,403.56 : 569,194.74 = 123,234.98 : x
  2. Step 2: Convert to fraction form
    379,403.56/569,194.74 = 123,234.98/x
  3. Step 3: Cross multiply
    379,403.56x = 569,194.74 × 123,234.98
  4. Step 4: Simplify right side
    379,403.56x = 70,144,701,783.83
  5. Step 5: Solve for x
    x = 70,144,701,783.83/379,403.56
  6. Step 6: Final answer
    x = 184,881.51

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1.5x scale

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.