Home / 256,844.05-385,203.80-107,002.60

Finding the Fourth Proportional to 256,844.05, 385,203.80 and 107,002.60

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Solution

The fourth proportional to 256,844.05, 385,203.80 and 107,002.60 is: 160,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,844.05 : 385,203.80 = 107,002.60 : x
  2. Step 2: Convert to fraction form
    256,844.05/385,203.80 = 107,002.60/x
  3. Step 3: Cross multiply
    256,844.05x = 385,203.80 × 107,002.60
  4. Step 4: Simplify right side
    256,844.05x = 41,217,808,111.48
  5. Step 5: Solve for x
    x = 41,217,808,111.48/256,844.05
  6. Step 6: Final answer
    x = 160,477.95

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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.