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Finding the Fourth Proportional to 510,601.40, 766,247.70 and 229,974.20

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Solution

The fourth proportional to 510,601.40, 766,247.70 and 229,974.20 is: 345,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,601.40 : 766,247.70 = 229,974.20 : x
  2. Step 2: Convert to fraction form
    510,601.40/766,247.70 = 229,974.20/x
  3. Step 3: Cross multiply
    510,601.40x = 766,247.70 × 229,974.20
  4. Step 4: Simplify right side
    510,601.40x = 176,217,201,809.34
  5. Step 5: Solve for x
    x = 176,217,201,809.34/510,601.40
  6. Step 6: Final answer
    x = 345,116.96

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1.5x scale

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.