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Finding the Fourth Proportional to 250,392.89, 345,541.71 and 135,674.64

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Solution

The fourth proportional to 250,392.89, 345,541.71 and 135,674.64 is: 187,230.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,392.89 : 345,541.71 = 135,674.64 : x
  2. Step 2: Convert to fraction form
    250,392.89/345,541.71 = 135,674.64/x
  3. Step 3: Cross multiply
    250,392.89x = 345,541.71 × 135,674.64
  4. Step 4: Simplify right side
    250,392.89x = 46,881,247,109.23
  5. Step 5: Solve for x
    x = 46,881,247,109.23/250,392.89
  6. Step 6: Final answer
    x = 187,230.74

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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.