Home / 326,564.30-490,033.01-126,858.70

Finding the Fourth Proportional to 326,564.30, 490,033.01 and 126,858.70

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Solution

The fourth proportional to 326,564.30, 490,033.01 and 126,858.70 is: 190,360.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,564.30 : 490,033.01 = 126,858.70 : x
  2. Step 2: Convert to fraction form
    326,564.30/490,033.01 = 126,858.70/x
  3. Step 3: Cross multiply
    326,564.30x = 490,033.01 × 126,858.70
  4. Step 4: Simplify right side
    326,564.30x = 62,164,948,746.31
  5. Step 5: Solve for x
    x = 62,164,948,746.31/326,564.30
  6. Step 6: Final answer
    x = 190,360.51

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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.