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Finding the Fourth Proportional to 306,605.18, 460,204.38 and 221,303.98

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Solution

The fourth proportional to 306,605.18, 460,204.38 and 221,303.98 is: 332,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,605.18 : 460,204.38 = 221,303.98 : x
  2. Step 2: Convert to fraction form
    306,605.18/460,204.38 = 221,303.98/x
  3. Step 3: Cross multiply
    306,605.18x = 460,204.38 × 221,303.98
  4. Step 4: Simplify right side
    306,605.18x = 101,845,060,907.43
  5. Step 5: Solve for x
    x = 101,845,060,907.43/306,605.18
  6. Step 6: Final answer
    x = 332,170.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.