Home / 331,723.77-457,762.27-188,464.89

Finding the Fourth Proportional to 331,723.77, 457,762.27 and 188,464.89

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Solution

The fourth proportional to 331,723.77, 457,762.27 and 188,464.89 is: 260,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,723.77 : 457,762.27 = 188,464.89 : x
  2. Step 2: Convert to fraction form
    331,723.77/457,762.27 = 188,464.89/x
  3. Step 3: Cross multiply
    331,723.77x = 457,762.27 × 188,464.89
  4. Step 4: Simplify right side
    331,723.77x = 86,272,114,919.38
  5. Step 5: Solve for x
    x = 86,272,114,919.38/331,723.77
  6. Step 6: Final answer
    x = 260,072.15

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1.5x scale

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.