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Finding the Fourth Proportional to 379,698.36, 569,552.40 and 113,397.90

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Solution

The fourth proportional to 379,698.36, 569,552.40 and 113,397.90 is: 170,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,698.36 : 569,552.40 = 113,397.90 : x
  2. Step 2: Convert to fraction form
    379,698.36/569,552.40 = 113,397.90/x
  3. Step 3: Cross multiply
    379,698.36x = 569,552.40 × 113,397.90
  4. Step 4: Simplify right side
    379,698.36x = 64,586,046,099.96
  5. Step 5: Solve for x
    x = 64,586,046,099.96/379,698.36
  6. Step 6: Final answer
    x = 170,098.30

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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.