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Finding the Fourth Proportional to 379,001.50, 568,500.42 and 154,308.66

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Solution

The fourth proportional to 379,001.50, 568,500.42 and 154,308.66 is: 231,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,001.50 : 568,500.42 = 154,308.66 : x
  2. Step 2: Convert to fraction form
    379,001.50/568,500.42 = 154,308.66/x
  3. Step 3: Cross multiply
    379,001.50x = 568,500.42 × 154,308.66
  4. Step 4: Simplify right side
    379,001.50x = 87,724,539,664.23
  5. Step 5: Solve for x
    x = 87,724,539,664.23/379,001.50
  6. Step 6: Final answer
    x = 231,462.25

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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.