Home / 351,261.52-484,752.65-215,269.20

Finding the Fourth Proportional to 351,261.52, 484,752.65 and 215,269.20

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Solution

The fourth proportional to 351,261.52, 484,752.65 and 215,269.20 is: 297,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,261.52 : 484,752.65 = 215,269.20 : x
  2. Step 2: Convert to fraction form
    351,261.52/484,752.65 = 215,269.20/x
  3. Step 3: Cross multiply
    351,261.52x = 484,752.65 × 215,269.20
  4. Step 4: Simplify right side
    351,261.52x = 104,352,314,087.03
  5. Step 5: Solve for x
    x = 104,352,314,087.03/351,261.52
  6. Step 6: Final answer
    x = 297,078.70

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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.