Home / 340,403.06-469,759.67-187,455.46

Finding the Fourth Proportional to 340,403.06, 469,759.67 and 187,455.46

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Solution

The fourth proportional to 340,403.06, 469,759.67 and 187,455.46 is: 258,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,403.06 : 469,759.67 = 187,455.46 : x
  2. Step 2: Convert to fraction form
    340,403.06/469,759.67 = 187,455.46/x
  3. Step 3: Cross multiply
    340,403.06x = 469,759.67 × 187,455.46
  4. Step 4: Simplify right side
    340,403.06x = 88,059,015,029.30
  5. Step 5: Solve for x
    x = 88,059,015,029.30/340,403.06
  6. Step 6: Final answer
    x = 258,690.43

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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.