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Finding the Fourth Proportional to 350,792.02, 484,097.41 and 212,931.10

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Solution

The fourth proportional to 350,792.02, 484,097.41 and 212,931.10 is: 293,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,792.02 : 484,097.41 = 212,931.10 : x
  2. Step 2: Convert to fraction form
    350,792.02/484,097.41 = 212,931.10/x
  3. Step 3: Cross multiply
    350,792.02x = 484,097.41 × 212,931.10
  4. Step 4: Simplify right side
    350,792.02x = 103,079,394,018.45
  5. Step 5: Solve for x
    x = 103,079,394,018.45/350,792.02
  6. Step 6: Final answer
    x = 293,847.60

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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.