Home / 284,914.36-393,259.55-177,420.88

Finding the Fourth Proportional to 284,914.36, 393,259.55 and 177,420.88

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Solution

The fourth proportional to 284,914.36, 393,259.55 and 177,420.88 is: 244,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,914.36 : 393,259.55 = 177,420.88 : x
  2. Step 2: Convert to fraction form
    284,914.36/393,259.55 = 177,420.88/x
  3. Step 3: Cross multiply
    284,914.36x = 393,259.55 × 177,420.88
  4. Step 4: Simplify right side
    284,914.36x = 69,772,455,429.40
  5. Step 5: Solve for x
    x = 69,772,455,429.40/284,914.36
  6. Step 6: Final answer
    x = 244,889.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.