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Finding the Fourth Proportional to 453,722.07, 680,737.02 and 200,968.59

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Solution

The fourth proportional to 453,722.07, 680,737.02 and 200,968.59 is: 301,521.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,722.07 : 680,737.02 = 200,968.59 : x
  2. Step 2: Convert to fraction form
    453,722.07/680,737.02 = 200,968.59/x
  3. Step 3: Cross multiply
    453,722.07x = 680,737.02 × 200,968.59
  4. Step 4: Simplify right side
    453,722.07x = 136,806,759,070.20
  5. Step 5: Solve for x
    x = 136,806,759,070.20/453,722.07
  6. Step 6: Final answer
    x = 301,521.06

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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.