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Finding the Fourth Proportional to 300,280.88, 414,325.32 and 172,922.96

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Solution

The fourth proportional to 300,280.88, 414,325.32 and 172,922.96 is: 238,597.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,280.88 : 414,325.32 = 172,922.96 : x
  2. Step 2: Convert to fraction form
    300,280.88/414,325.32 = 172,922.96/x
  3. Step 3: Cross multiply
    300,280.88x = 414,325.32 × 172,922.96
  4. Step 4: Simplify right side
    300,280.88x = 71,646,360,737.35
  5. Step 5: Solve for x
    x = 71,646,360,737.35/300,280.88
  6. Step 6: Final answer
    x = 238,597.81

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1.5x scale

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.