Home / 316,155.42-436,334.34-207,351.24

Finding the Fourth Proportional to 316,155.42, 436,334.34 and 207,351.24

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Solution

The fourth proportional to 316,155.42, 436,334.34 and 207,351.24 is: 286,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,155.42 : 436,334.34 = 207,351.24 : x
  2. Step 2: Convert to fraction form
    316,155.42/436,334.34 = 207,351.24/x
  3. Step 3: Cross multiply
    316,155.42x = 436,334.34 × 207,351.24
  4. Step 4: Simplify right side
    316,155.42x = 90,474,466,453.58
  5. Step 5: Solve for x
    x = 90,474,466,453.58/316,155.42
  6. Step 6: Final answer
    x = 286,170.85

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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.