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Finding the Fourth Proportional to 199,246.10, 299,063.55 and 99,518.90

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Solution

The fourth proportional to 199,246.10, 299,063.55 and 99,518.90 is: 149,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,246.10 : 299,063.55 = 99,518.90 : x
  2. Step 2: Convert to fraction form
    199,246.10/299,063.55 = 99,518.90/x
  3. Step 3: Cross multiply
    199,246.10x = 299,063.55 × 99,518.90
  4. Step 4: Simplify right side
    199,246.10x = 29,762,475,526.10
  5. Step 5: Solve for x
    x = 29,762,475,526.10/199,246.10
  6. Step 6: Final answer
    x = 149,375.45

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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.