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Finding the Fourth Proportional to 402,602.46, 604,002.56 and 200,294.02

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Solution

The fourth proportional to 402,602.46, 604,002.56 and 200,294.02 is: 300,490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,602.46 : 604,002.56 = 200,294.02 : x
  2. Step 2: Convert to fraction form
    402,602.46/604,002.56 = 200,294.02/x
  3. Step 3: Cross multiply
    402,602.46x = 604,002.56 × 200,294.02
  4. Step 4: Simplify right side
    402,602.46x = 120,978,100,832.69
  5. Step 5: Solve for x
    x = 120,978,100,832.69/402,602.46
  6. Step 6: Final answer
    x = 300,490.22

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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.