Home / 287,405.82-430,665.26-182,003.36

Finding the Fourth Proportional to 287,405.82, 430,665.26 and 182,003.36

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Solution

The fourth proportional to 287,405.82, 430,665.26 and 182,003.36 is: 272,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,405.82 : 430,665.26 = 182,003.36 : x
  2. Step 2: Convert to fraction form
    287,405.82/430,665.26 = 182,003.36/x
  3. Step 3: Cross multiply
    287,405.82x = 430,665.26 × 182,003.36
  4. Step 4: Simplify right side
    287,405.82x = 78,382,521,291.93
  5. Step 5: Solve for x
    x = 78,382,521,291.93/287,405.82
  6. Step 6: Final answer
    x = 272,724.20

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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.