Home / 287,993.47-432,183.03-119,513.96

Finding the Fourth Proportional to 287,993.47, 432,183.03 and 119,513.96

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Solution

The fourth proportional to 287,993.47, 432,183.03 and 119,513.96 is: 179,350.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,993.47 : 432,183.03 = 119,513.96 : x
  2. Step 2: Convert to fraction form
    287,993.47/432,183.03 = 119,513.96/x
  3. Step 3: Cross multiply
    287,993.47x = 432,183.03 × 119,513.96
  4. Step 4: Simplify right side
    287,993.47x = 51,651,904,762.53
  5. Step 5: Solve for x
    x = 51,651,904,762.53/287,993.47
  6. Step 6: Final answer
    x = 179,350.96

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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.