Home / 476,078.08-656,993.82-261,214.24

Finding the Fourth Proportional to 476,078.08, 656,993.82 and 261,214.24

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Solution

The fourth proportional to 476,078.08, 656,993.82 and 261,214.24 is: 360,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,078.08 : 656,993.82 = 261,214.24 : x
  2. Step 2: Convert to fraction form
    476,078.08/656,993.82 = 261,214.24/x
  3. Step 3: Cross multiply
    476,078.08x = 656,993.82 × 261,214.24
  4. Step 4: Simplify right side
    476,078.08x = 171,616,141,376.00
  5. Step 5: Solve for x
    x = 171,616,141,376.00/476,078.08
  6. Step 6: Final answer
    x = 360,478.98

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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.