Home / 340,032.12-469,244.32-187,067.02

Finding the Fourth Proportional to 340,032.12, 469,244.32 and 187,067.02

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Solution

The fourth proportional to 340,032.12, 469,244.32 and 187,067.02 is: 258,152.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,032.12 : 469,244.32 = 187,067.02 : x
  2. Step 2: Convert to fraction form
    340,032.12/469,244.32 = 187,067.02/x
  3. Step 3: Cross multiply
    340,032.12x = 469,244.32 × 187,067.02
  4. Step 4: Simplify right side
    340,032.12x = 87,780,135,658.99
  5. Step 5: Solve for x
    x = 87,780,135,658.99/340,032.12
  6. Step 6: Final answer
    x = 258,152.49

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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.