Home / 316,530.32-436,811.94-173,299.46

Finding the Fourth Proportional to 316,530.32, 436,811.94 and 173,299.46

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Solution

The fourth proportional to 316,530.32, 436,811.94 and 173,299.46 is: 239,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,530.32 : 436,811.94 = 173,299.46 : x
  2. Step 2: Convert to fraction form
    316,530.32/436,811.94 = 173,299.46/x
  3. Step 3: Cross multiply
    316,530.32x = 436,811.94 × 173,299.46
  4. Step 4: Simplify right side
    316,530.32x = 75,699,273,323.55
  5. Step 5: Solve for x
    x = 75,699,273,323.55/316,530.32
  6. Step 6: Final answer
    x = 239,153.31

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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.