Home / 437,621.10-656,431.65-248,664.30

Finding the Fourth Proportional to 437,621.10, 656,431.65 and 248,664.30

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Solution

The fourth proportional to 437,621.10, 656,431.65 and 248,664.30 is: 372,996.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,621.10 : 656,431.65 = 248,664.30 : x
  2. Step 2: Convert to fraction form
    437,621.10/656,431.65 = 248,664.30/x
  3. Step 3: Cross multiply
    437,621.10x = 656,431.65 × 248,664.30
  4. Step 4: Simplify right side
    437,621.10x = 163,231,116,745.10
  5. Step 5: Solve for x
    x = 163,231,116,745.10/437,621.10
  6. Step 6: Final answer
    x = 372,996.45

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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.