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Finding the Fourth Proportional to 453,955.60, 680,933.40 and 230,006.80

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Solution

The fourth proportional to 453,955.60, 680,933.40 and 230,006.80 is: 345,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,955.60 : 680,933.40 = 230,006.80 : x
  2. Step 2: Convert to fraction form
    453,955.60/680,933.40 = 230,006.80/x
  3. Step 3: Cross multiply
    453,955.60x = 680,933.40 × 230,006.80
  4. Step 4: Simplify right side
    453,955.60x = 156,619,312,347.12
  5. Step 5: Solve for x
    x = 156,619,312,347.12/453,955.60
  6. Step 6: Final answer
    x = 345,010.20

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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.