Home / 340,126.86-469,379.39-187,182.66

Finding the Fourth Proportional to 340,126.86, 469,379.39 and 187,182.66

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Solution

The fourth proportional to 340,126.86, 469,379.39 and 187,182.66 is: 258,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,126.86 : 469,379.39 = 187,182.66 : x
  2. Step 2: Convert to fraction form
    340,126.86/469,379.39 = 187,182.66/x
  3. Step 3: Cross multiply
    340,126.86x = 469,379.39 × 187,182.66
  4. Step 4: Simplify right side
    340,126.86x = 87,859,681,833.46
  5. Step 5: Solve for x
    x = 87,859,681,833.46/340,126.86
  6. Step 6: Final answer
    x = 258,314.45

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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.