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Finding the Fourth Proportional to 609,200.46, 913,802.51 and 209,836.04

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Solution

The fourth proportional to 609,200.46, 913,802.51 and 209,836.04 is: 314,754.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,200.46 : 913,802.51 = 209,836.04 : x
  2. Step 2: Convert to fraction form
    609,200.46/913,802.51 = 209,836.04/x
  3. Step 3: Cross multiply
    609,200.46x = 913,802.51 × 209,836.04
  4. Step 4: Simplify right side
    609,200.46x = 191,748,695,996.04
  5. Step 5: Solve for x
    x = 191,748,695,996.04/609,200.46
  6. Step 6: Final answer
    x = 314,754.68

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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.