Home / 316,271.85-436,458.38-173,028.75

Finding the Fourth Proportional to 316,271.85, 436,458.38 and 173,028.75

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Solution

The fourth proportional to 316,271.85, 436,458.38 and 173,028.75 is: 238,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,271.85 : 436,458.38 = 173,028.75 : x
  2. Step 2: Convert to fraction form
    316,271.85/436,458.38 = 173,028.75/x
  3. Step 3: Cross multiply
    316,271.85x = 436,458.38 × 173,028.75
  4. Step 4: Simplify right side
    316,271.85x = 75,519,847,053.28
  5. Step 5: Solve for x
    x = 75,519,847,053.28/316,271.85
  6. Step 6: Final answer
    x = 238,781.44

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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.