Home / 493,669.36-681,263.72-267,314.86

Finding the Fourth Proportional to 493,669.36, 681,263.72 and 267,314.86

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Solution

The fourth proportional to 493,669.36, 681,263.72 and 267,314.86 is: 368,894.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,669.36 : 681,263.72 = 267,314.86 : x
  2. Step 2: Convert to fraction form
    493,669.36/681,263.72 = 267,314.86/x
  3. Step 3: Cross multiply
    493,669.36x = 681,263.72 × 267,314.86
  4. Step 4: Simplify right side
    493,669.36x = 182,111,915,934.88
  5. Step 5: Solve for x
    x = 182,111,915,934.88/493,669.36
  6. Step 6: Final answer
    x = 368,894.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.