Home / 238,450.50-357,208.25-138,400.92

Finding the Fourth Proportional to 238,450.50, 357,208.25 and 138,400.92

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Solution

The fourth proportional to 238,450.50, 357,208.25 and 138,400.92 is: 207,330.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,450.50 : 357,208.25 = 138,400.92 : x
  2. Step 2: Convert to fraction form
    238,450.50/357,208.25 = 138,400.92/x
  3. Step 3: Cross multiply
    238,450.50x = 357,208.25 × 138,400.92
  4. Step 4: Simplify right side
    238,450.50x = 49,437,949,739.59
  5. Step 5: Solve for x
    x = 49,437,949,739.59/238,450.50
  6. Step 6: Final answer
    x = 207,330.03

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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.