Home / 379,393.07-569,151.36-177,191.35

Finding the Fourth Proportional to 379,393.07, 569,151.36 and 177,191.35

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Solution

The fourth proportional to 379,393.07, 569,151.36 and 177,191.35 is: 265,815.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,393.07 : 569,151.36 = 177,191.35 : x
  2. Step 2: Convert to fraction form
    379,393.07/569,151.36 = 177,191.35/x
  3. Step 3: Cross multiply
    379,393.07x = 569,151.36 × 177,191.35
  4. Step 4: Simplify right side
    379,393.07x = 100,848,696,409.86
  5. Step 5: Solve for x
    x = 100,848,696,409.86/379,393.07
  6. Step 6: Final answer
    x = 265,815.87

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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.