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Finding the Fourth Proportional to 247,298.84, 370,936.67 and 103,145.13

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Solution

The fourth proportional to 247,298.84, 370,936.67 and 103,145.13 is: 154,712.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,298.84 : 370,936.67 = 103,145.13 : x
  2. Step 2: Convert to fraction form
    247,298.84/370,936.67 = 103,145.13/x
  3. Step 3: Cross multiply
    247,298.84x = 370,936.67 × 103,145.13
  4. Step 4: Simplify right side
    247,298.84x = 38,260,310,533.19
  5. Step 5: Solve for x
    x = 38,260,310,533.19/247,298.84
  6. Step 6: Final answer
    x = 154,712.86

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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.