Home / 287,241.19-431,058.65-100,252.69

Finding the Fourth Proportional to 287,241.19, 431,058.65 and 100,252.69

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Solution

The fourth proportional to 287,241.19, 431,058.65 and 100,252.69 is: 150,447.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,241.19 : 431,058.65 = 100,252.69 : x
  2. Step 2: Convert to fraction form
    287,241.19/431,058.65 = 100,252.69/x
  3. Step 3: Cross multiply
    287,241.19x = 431,058.65 × 100,252.69
  4. Step 4: Simplify right side
    287,241.19x = 43,214,787,631.36
  5. Step 5: Solve for x
    x = 43,214,787,631.36/287,241.19
  6. Step 6: Final answer
    x = 150,447.74

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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.