Home / 379,534.58-569,292.77-123,366.85

Finding the Fourth Proportional to 379,534.58, 569,292.77 and 123,366.85

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Solution

The fourth proportional to 379,534.58, 569,292.77 and 123,366.85 is: 185,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,534.58 : 569,292.77 = 123,366.85 : x
  2. Step 2: Convert to fraction form
    379,534.58/569,292.77 = 123,366.85/x
  3. Step 3: Cross multiply
    379,534.58x = 569,292.77 × 123,366.85
  4. Step 4: Simplify right side
    379,534.58x = 70,231,854,647.86
  5. Step 5: Solve for x
    x = 70,231,854,647.86/379,534.58
  6. Step 6: Final answer
    x = 185,047.31

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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.