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Finding the Fourth Proportional to 498,323.09, 747,457.83 and 245,351.39

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Solution

The fourth proportional to 498,323.09, 747,457.83 and 245,351.39 is: 368,013.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,323.09 : 747,457.83 = 245,351.39 : x
  2. Step 2: Convert to fraction form
    498,323.09/747,457.83 = 245,351.39/x
  3. Step 3: Cross multiply
    498,323.09x = 747,457.83 × 245,351.39
  4. Step 4: Simplify right side
    498,323.09x = 183,389,813,819.60
  5. Step 5: Solve for x
    x = 183,389,813,819.60/498,323.09
  6. Step 6: Final answer
    x = 368,013.88

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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.