Home / 247,322.19-371,013-87,365.28

Finding the Fourth Proportional to 247,322.19, 371,013 and 87,365.28

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Solution

The fourth proportional to 247,322.19, 371,013 and 87,365.28 is: 131,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,322.19 : 371,013 = 87,365.28 : x
  2. Step 2: Convert to fraction form
    247,322.19/371,013 = 87,365.28/x
  3. Step 3: Cross multiply
    247,322.19x = 371,013 × 87,365.28
  4. Step 4: Simplify right side
    247,322.19x = 32,413,654,628.64
  5. Step 5: Solve for x
    x = 32,413,654,628.64/247,322.19
  6. Step 6: Final answer
    x = 131,058.42

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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.