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Finding the Fourth Proportional to 348,327.84, 522,414.96 and 170,658.72

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Solution

The fourth proportional to 348,327.84, 522,414.96 and 170,658.72 is: 255,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,327.84 : 522,414.96 = 170,658.72 : x
  2. Step 2: Convert to fraction form
    348,327.84/522,414.96 = 170,658.72/x
  3. Step 3: Cross multiply
    348,327.84x = 522,414.96 × 170,658.72
  4. Step 4: Simplify right side
    348,327.84x = 89,154,668,382.45
  5. Step 5: Solve for x
    x = 89,154,668,382.45/348,327.84
  6. Step 6: Final answer
    x = 255,950.45

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1.5x scale

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.