Home / 215,415.76-323,119.02-57,644.20

Finding the Fourth Proportional to 215,415.76, 323,119.02 and 57,644.20

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Solution

The fourth proportional to 215,415.76, 323,119.02 and 57,644.20 is: 86,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,415.76 : 323,119.02 = 57,644.20 : x
  2. Step 2: Convert to fraction form
    215,415.76/323,119.02 = 57,644.20/x
  3. Step 3: Cross multiply
    215,415.76x = 323,119.02 × 57,644.20
  4. Step 4: Simplify right side
    215,415.76x = 18,625,937,412.68
  5. Step 5: Solve for x
    x = 18,625,937,412.68/215,415.76
  6. Step 6: Final answer
    x = 86,465.06

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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.