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Finding the Fourth Proportional to 199,416.90, 299,125.35 and 133,061.70

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Solution

The fourth proportional to 199,416.90, 299,125.35 and 133,061.70 is: 199,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,416.90 : 299,125.35 = 133,061.70 : x
  2. Step 2: Convert to fraction form
    199,416.90/299,125.35 = 133,061.70/x
  3. Step 3: Cross multiply
    199,416.90x = 299,125.35 × 133,061.70
  4. Step 4: Simplify right side
    199,416.90x = 39,802,127,584.10
  5. Step 5: Solve for x
    x = 39,802,127,584.10/199,416.90
  6. Step 6: Final answer
    x = 199,592.55

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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.