Home / 691,216.25-1,036,824.38-165,904.25

Finding the Fourth Proportional to 691,216.25, 1,036,824.38 and 165,904.25

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Solution

The fourth proportional to 691,216.25, 1,036,824.38 and 165,904.25 is: 248,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,216.25 : 1,036,824.38 = 165,904.25 : x
  2. Step 2: Convert to fraction form
    691,216.25/1,036,824.38 = 165,904.25/x
  3. Step 3: Cross multiply
    691,216.25x = 1,036,824.38 × 165,904.25
  4. Step 4: Simplify right side
    691,216.25x = 172,013,570,316.09
  5. Step 5: Solve for x
    x = 172,013,570,316.09/691,216.25
  6. Step 6: Final answer
    x = 248,856.38

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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.