Home / 250,400.41-345,551.37-137,223.16

Finding the Fourth Proportional to 250,400.41, 345,551.37 and 137,223.16

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Solution

The fourth proportional to 250,400.41, 345,551.37 and 137,223.16 is: 189,367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,400.41 : 345,551.37 = 137,223.16 : x
  2. Step 2: Convert to fraction form
    250,400.41/345,551.37 = 137,223.16/x
  3. Step 3: Cross multiply
    250,400.41x = 345,551.37 × 137,223.16
  4. Step 4: Simplify right side
    250,400.41x = 47,417,650,933.73
  5. Step 5: Solve for x
    x = 47,417,650,933.73/250,400.41
  6. Step 6: Final answer
    x = 189,367.31

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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.