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Finding the Fourth Proportional to 348,089.80, 522,061.80 and 170,724.10

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Solution

The fourth proportional to 348,089.80, 522,061.80 and 170,724.10 is: 256,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,089.80 : 522,061.80 = 170,724.10 : x
  2. Step 2: Convert to fraction form
    348,089.80/522,061.80 = 170,724.10/x
  3. Step 3: Cross multiply
    348,089.80x = 522,061.80 × 170,724.10
  4. Step 4: Simplify right side
    348,089.80x = 89,128,530,949.38
  5. Step 5: Solve for x
    x = 89,128,530,949.38/348,089.80
  6. Step 6: Final answer
    x = 256,050.40

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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.