Home / 247,415.51-371,153.82-87,458.46

Finding the Fourth Proportional to 247,415.51, 371,153.82 and 87,458.46

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Solution

The fourth proportional to 247,415.51, 371,153.82 and 87,458.46 is: 131,198.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,415.51 : 371,153.82 = 87,458.46 : x
  2. Step 2: Convert to fraction form
    247,415.51/371,153.82 = 87,458.46/x
  3. Step 3: Cross multiply
    247,415.51x = 371,153.82 × 87,458.46
  4. Step 4: Simplify right side
    247,415.51x = 32,460,541,254.35
  5. Step 5: Solve for x
    x = 32,460,541,254.35/247,415.51
  6. Step 6: Final answer
    x = 131,198.49

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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.