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Finding the Fourth Proportional to 340,234.82, 469,520.33 and 187,269.73

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Solution

The fourth proportional to 340,234.82, 469,520.33 and 187,269.73 is: 258,430.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,234.82 : 469,520.33 = 187,269.73 : x
  2. Step 2: Convert to fraction form
    340,234.82/469,520.33 = 187,269.73/x
  3. Step 3: Cross multiply
    340,234.82x = 469,520.33 × 187,269.73
  4. Step 4: Simplify right side
    340,234.82x = 87,926,945,428.61
  5. Step 5: Solve for x
    x = 87,926,945,428.61/340,234.82
  6. Step 6: Final answer
    x = 258,430.18

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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.