Home / 305,142.35-457,650.96-115,537.31

Finding the Fourth Proportional to 305,142.35, 457,650.96 and 115,537.31

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Solution

The fourth proportional to 305,142.35, 457,650.96 and 115,537.31 is: 173,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,142.35 : 457,650.96 = 115,537.31 : x
  2. Step 2: Convert to fraction form
    305,142.35/457,650.96 = 115,537.31/x
  3. Step 3: Cross multiply
    305,142.35x = 457,650.96 × 115,537.31
  4. Step 4: Simplify right side
    305,142.35x = 52,875,758,549.06
  5. Step 5: Solve for x
    x = 52,875,758,549.06/305,142.35
  6. Step 6: Final answer
    x = 173,282.27

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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.