Home / 250,397.48-345,548.82-137,220.52

Finding the Fourth Proportional to 250,397.48, 345,548.82 and 137,220.52

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Solution

The fourth proportional to 250,397.48, 345,548.82 and 137,220.52 is: 189,364.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,397.48 : 345,548.82 = 137,220.52 : x
  2. Step 2: Convert to fraction form
    250,397.48/345,548.82 = 137,220.52/x
  3. Step 3: Cross multiply
    250,397.48x = 345,548.82 × 137,220.52
  4. Step 4: Simplify right side
    250,397.48x = 47,416,388,765.79
  5. Step 5: Solve for x
    x = 47,416,388,765.79/250,397.48
  6. Step 6: Final answer
    x = 189,364.48

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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.