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Finding the Fourth Proportional to 199,624.61, 299,442.38 and 66,500.12

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Solution

The fourth proportional to 199,624.61, 299,442.38 and 66,500.12 is: 99,751.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,624.61 : 299,442.38 = 66,500.12 : x
  2. Step 2: Convert to fraction form
    199,624.61/299,442.38 = 66,500.12/x
  3. Step 3: Cross multiply
    199,624.61x = 299,442.38 × 66,500.12
  4. Step 4: Simplify right side
    199,624.61x = 19,912,952,373.37
  5. Step 5: Solve for x
    x = 19,912,952,373.37/199,624.61
  6. Step 6: Final answer
    x = 99,751.99

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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.