Home / 326,653.06-490,118.25-158,298.70

Finding the Fourth Proportional to 326,653.06, 490,118.25 and 158,298.70

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Solution

The fourth proportional to 326,653.06, 490,118.25 and 158,298.70 is: 237,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,653.06 : 490,118.25 = 158,298.70 : x
  2. Step 2: Convert to fraction form
    326,653.06/490,118.25 = 158,298.70/x
  3. Step 3: Cross multiply
    326,653.06x = 490,118.25 × 158,298.70
  4. Step 4: Simplify right side
    326,653.06x = 77,585,081,821.28
  5. Step 5: Solve for x
    x = 77,585,081,821.28/326,653.06
  6. Step 6: Final answer
    x = 237,515.25

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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.