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Finding the Fourth Proportional to 270,885.69, 373,811.25 and 150,019.78

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Solution

The fourth proportional to 270,885.69, 373,811.25 and 150,019.78 is: 207,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,885.69 : 373,811.25 = 150,019.78 : x
  2. Step 2: Convert to fraction form
    270,885.69/373,811.25 = 150,019.78/x
  3. Step 3: Cross multiply
    270,885.69x = 373,811.25 × 150,019.78
  4. Step 4: Simplify right side
    270,885.69x = 56,079,081,486.53
  5. Step 5: Solve for x
    x = 56,079,081,486.53/270,885.69
  6. Step 6: Final answer
    x = 207,021.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.