Home / 446,959.46-670,437.48-180,716.78

Finding the Fourth Proportional to 446,959.46, 670,437.48 and 180,716.78

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Solution

The fourth proportional to 446,959.46, 670,437.48 and 180,716.78 is: 271,074.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,959.46 : 670,437.48 = 180,716.78 : x
  2. Step 2: Convert to fraction form
    446,959.46/670,437.48 = 180,716.78/x
  3. Step 3: Cross multiply
    446,959.46x = 670,437.48 × 180,716.78
  4. Step 4: Simplify right side
    446,959.46x = 121,159,302,576.91
  5. Step 5: Solve for x
    x = 121,159,302,576.91/446,959.46
  6. Step 6: Final answer
    x = 271,074.48

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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.