Home / 215,533.24-323,299.86-65,774.30

Finding the Fourth Proportional to 215,533.24, 323,299.86 and 65,774.30

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Solution

The fourth proportional to 215,533.24, 323,299.86 and 65,774.30 is: 98,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,533.24 : 323,299.86 = 65,774.30 : x
  2. Step 2: Convert to fraction form
    215,533.24/323,299.86 = 65,774.30/x
  3. Step 3: Cross multiply
    215,533.24x = 323,299.86 × 65,774.30
  4. Step 4: Simplify right side
    215,533.24x = 21,264,820,118.45
  5. Step 5: Solve for x
    x = 21,264,820,118.45/215,533.24
  6. Step 6: Final answer
    x = 98,661.44

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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.