Home / 250,335.84-345,504.24-142,910.40

Finding the Fourth Proportional to 250,335.84, 345,504.24 and 142,910.40

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Solution

The fourth proportional to 250,335.84, 345,504.24 and 142,910.40 is: 197,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,335.84 : 345,504.24 = 142,910.40 : x
  2. Step 2: Convert to fraction form
    250,335.84/345,504.24 = 142,910.40/x
  3. Step 3: Cross multiply
    250,335.84x = 345,504.24 × 142,910.40
  4. Step 4: Simplify right side
    250,335.84x = 49,376,149,140.10
  5. Step 5: Solve for x
    x = 49,376,149,140.10/250,335.84
  6. Step 6: Final answer
    x = 197,239.63

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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.