Home / 379,858.41-569,577.24-155,376.45

Finding the Fourth Proportional to 379,858.41, 569,577.24 and 155,376.45

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Solution

The fourth proportional to 379,858.41, 569,577.24 and 155,376.45 is: 232,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,858.41 : 569,577.24 = 155,376.45 : x
  2. Step 2: Convert to fraction form
    379,858.41/569,577.24 = 155,376.45/x
  3. Step 3: Cross multiply
    379,858.41x = 569,577.24 × 155,376.45
  4. Step 4: Simplify right side
    379,858.41x = 88,498,889,552.00
  5. Step 5: Solve for x
    x = 88,498,889,552.00/379,858.41
  6. Step 6: Final answer
    x = 232,978.62

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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.