Home / 215,018.02-322,532.70-57,246.76

Finding the Fourth Proportional to 215,018.02, 322,532.70 and 57,246.76

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Solution

The fourth proportional to 215,018.02, 322,532.70 and 57,246.76 is: 85,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,018.02 : 322,532.70 = 57,246.76 : x
  2. Step 2: Convert to fraction form
    215,018.02/322,532.70 = 57,246.76/x
  3. Step 3: Cross multiply
    215,018.02x = 322,532.70 × 57,246.76
  4. Step 4: Simplify right side
    215,018.02x = 18,463,952,069.05
  5. Step 5: Solve for x
    x = 18,463,952,069.05/215,018.02
  6. Step 6: Final answer
    x = 85,871.65

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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.