Home / 379,334.34-569,084.81-142,677.05

Finding the Fourth Proportional to 379,334.34, 569,084.81 and 142,677.05

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Solution

The fourth proportional to 379,334.34, 569,084.81 and 142,677.05 is: 214,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,334.34 : 569,084.81 = 142,677.05 : x
  2. Step 2: Convert to fraction form
    379,334.34/569,084.81 = 142,677.05/x
  3. Step 3: Cross multiply
    379,334.34x = 569,084.81 × 142,677.05
  4. Step 4: Simplify right side
    379,334.34x = 81,195,338,331.80
  5. Step 5: Solve for x
    x = 81,195,338,331.80/379,334.34
  6. Step 6: Final answer
    x = 214,046.90

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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.