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Finding the Fourth Proportional to 350,568.84, 484,018.56 and 207,374.88

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Solution

The fourth proportional to 350,568.84, 484,018.56 and 207,374.88 is: 286,315.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,568.84 : 484,018.56 = 207,374.88 : x
  2. Step 2: Convert to fraction form
    350,568.84/484,018.56 = 207,374.88/x
  3. Step 3: Cross multiply
    350,568.84x = 484,018.56 × 207,374.88
  4. Step 4: Simplify right side
    350,568.84x = 100,373,290,797.77
  5. Step 5: Solve for x
    x = 100,373,290,797.77/350,568.84
  6. Step 6: Final answer
    x = 286,315.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.