Home / 386,982.86-580,477.52-106,515.50

Finding the Fourth Proportional to 386,982.86, 580,477.52 and 106,515.50

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Solution

The fourth proportional to 386,982.86, 580,477.52 and 106,515.50 is: 159,774.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,982.86 : 580,477.52 = 106,515.50 : x
  2. Step 2: Convert to fraction form
    386,982.86/580,477.52 = 106,515.50/x
  3. Step 3: Cross multiply
    386,982.86x = 580,477.52 × 106,515.50
  4. Step 4: Simplify right side
    386,982.86x = 61,829,850,645.46
  5. Step 5: Solve for x
    x = 61,829,850,645.46/386,982.86
  6. Step 6: Final answer
    x = 159,774.13

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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.