Home / 215,424.87-323,137.05-57,649.22

Finding the Fourth Proportional to 215,424.87, 323,137.05 and 57,649.22

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Solution

The fourth proportional to 215,424.87, 323,137.05 and 57,649.22 is: 86,473.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,424.87 : 323,137.05 = 57,649.22 : x
  2. Step 2: Convert to fraction form
    215,424.87/323,137.05 = 57,649.22/x
  3. Step 3: Cross multiply
    215,424.87x = 323,137.05 × 57,649.22
  4. Step 4: Simplify right side
    215,424.87x = 18,628,597,269.92
  5. Step 5: Solve for x
    x = 18,628,597,269.92/215,424.87
  6. Step 6: Final answer
    x = 86,473.75

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1.5x scale

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.