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Finding the Fourth Proportional to 250,830.60, 375,662.70 and 171,515.40

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Solution

The fourth proportional to 250,830.60, 375,662.70 and 171,515.40 is: 256,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,830.60 : 375,662.70 = 171,515.40 : x
  2. Step 2: Convert to fraction form
    250,830.60/375,662.70 = 171,515.40/x
  3. Step 3: Cross multiply
    250,830.60x = 375,662.70 × 171,515.40
  4. Step 4: Simplify right side
    250,830.60x = 64,431,938,255.58
  5. Step 5: Solve for x
    x = 64,431,938,255.58/250,830.60
  6. Step 6: Final answer
    x = 256,874.31

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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.