Home / 340,383.30-469,725.06-187,418.35

Finding the Fourth Proportional to 340,383.30, 469,725.06 and 187,418.35

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Solution

The fourth proportional to 340,383.30, 469,725.06 and 187,418.35 is: 258,635.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,383.30 : 469,725.06 = 187,418.35 : x
  2. Step 2: Convert to fraction form
    340,383.30/469,725.06 = 187,418.35/x
  3. Step 3: Cross multiply
    340,383.30x = 469,725.06 × 187,418.35
  4. Step 4: Simplify right side
    340,383.30x = 88,035,095,698.85
  5. Step 5: Solve for x
    x = 88,035,095,698.85/340,383.30
  6. Step 6: Final answer
    x = 258,635.18

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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.