Home / 316,128.41-436,297.04-207,324.24

Finding the Fourth Proportional to 316,128.41, 436,297.04 and 207,324.24

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Solution

The fourth proportional to 316,128.41, 436,297.04 and 207,324.24 is: 286,133.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,128.41 : 436,297.04 = 207,324.24 : x
  2. Step 2: Convert to fraction form
    316,128.41/436,297.04 = 207,324.24/x
  3. Step 3: Cross multiply
    316,128.41x = 436,297.04 × 207,324.24
  4. Step 4: Simplify right side
    316,128.41x = 90,454,951,195.63
  5. Step 5: Solve for x
    x = 90,454,951,195.63/316,128.41
  6. Step 6: Final answer
    x = 286,133.58

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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.