Home / 326,770.15-490,238.38-191,948.23

Finding the Fourth Proportional to 326,770.15, 490,238.38 and 191,948.23

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Solution

The fourth proportional to 326,770.15, 490,238.38 and 191,948.23 is: 287,971.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,770.15 : 490,238.38 = 191,948.23 : x
  2. Step 2: Convert to fraction form
    326,770.15/490,238.38 = 191,948.23/x
  3. Step 3: Cross multiply
    326,770.15x = 490,238.38 × 191,948.23
  4. Step 4: Simplify right side
    326,770.15x = 94,100,389,319.07
  5. Step 5: Solve for x
    x = 94,100,389,319.07/326,770.15
  6. Step 6: Final answer
    x = 287,971.19

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1.5x scale

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.