Home / 379,583.40-569,181.62-126,772.94

Finding the Fourth Proportional to 379,583.40, 569,181.62 and 126,772.94

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Solution

The fourth proportional to 379,583.40, 569,181.62 and 126,772.94 is: 190,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,583.40 : 569,181.62 = 126,772.94 : x
  2. Step 2: Convert to fraction form
    379,583.40/569,181.62 = 126,772.94/x
  3. Step 3: Cross multiply
    379,583.40x = 569,181.62 × 126,772.94
  4. Step 4: Simplify right side
    379,583.40x = 72,156,827,361.36
  5. Step 5: Solve for x
    x = 72,156,827,361.36/379,583.40
  6. Step 6: Final answer
    x = 190,094.79

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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.