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Finding the Fourth Proportional to 247,398.81, 370,802.93 and 135,107.25

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Solution

The fourth proportional to 247,398.81, 370,802.93 and 135,107.25 is: 202,499.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,398.81 : 370,802.93 = 135,107.25 : x
  2. Step 2: Convert to fraction form
    247,398.81/370,802.93 = 135,107.25/x
  3. Step 3: Cross multiply
    247,398.81x = 370,802.93 × 135,107.25
  4. Step 4: Simplify right side
    247,398.81x = 50,098,163,488.71
  5. Step 5: Solve for x
    x = 50,098,163,488.71/247,398.81
  6. Step 6: Final answer
    x = 202,499.61

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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.