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Finding the Fourth Proportional to 340,498.86, 469,882.60 and 187,551.37

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Solution

The fourth proportional to 340,498.86, 469,882.60 and 187,551.37 is: 258,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,498.86 : 469,882.60 = 187,551.37 : x
  2. Step 2: Convert to fraction form
    340,498.86/469,882.60 = 187,551.37/x
  3. Step 3: Cross multiply
    340,498.86x = 469,882.60 × 187,551.37
  4. Step 4: Simplify right side
    340,498.86x = 88,127,125,369.16
  5. Step 5: Solve for x
    x = 88,127,125,369.16/340,498.86
  6. Step 6: Final answer
    x = 258,817.68

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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.