Home / 446,491.89-669,743.37-130,955.31

Finding the Fourth Proportional to 446,491.89, 669,743.37 and 130,955.31

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Solution

The fourth proportional to 446,491.89, 669,743.37 and 130,955.31 is: 196,434.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,491.89 : 669,743.37 = 130,955.31 : x
  2. Step 2: Convert to fraction form
    446,491.89/669,743.37 = 130,955.31/x
  3. Step 3: Cross multiply
    446,491.89x = 669,743.37 × 130,955.31
  4. Step 4: Simplify right side
    446,491.89x = 87,706,450,638.79
  5. Step 5: Solve for x
    x = 87,706,450,638.79/446,491.89
  6. Step 6: Final answer
    x = 196,434.59

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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.