Home / 386,344.86-579,599.37-120,098.94

Finding the Fourth Proportional to 386,344.86, 579,599.37 and 120,098.94

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Solution

The fourth proportional to 386,344.86, 579,599.37 and 120,098.94 is: 180,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,344.86 : 579,599.37 = 120,098.94 : x
  2. Step 2: Convert to fraction form
    386,344.86/579,599.37 = 120,098.94/x
  3. Step 3: Cross multiply
    386,344.86x = 579,599.37 × 120,098.94
  4. Step 4: Simplify right side
    386,344.86x = 69,609,269,961.67
  5. Step 5: Solve for x
    x = 69,609,269,961.67/386,344.86
  6. Step 6: Final answer
    x = 180,173.93

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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.