Home / 326,822.95-490,262.67-90,165.63

Finding the Fourth Proportional to 326,822.95, 490,262.67 and 90,165.63

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Solution

The fourth proportional to 326,822.95, 490,262.67 and 90,165.63 is: 135,256.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,822.95 : 490,262.67 = 90,165.63 : x
  2. Step 2: Convert to fraction form
    326,822.95/490,262.67 = 90,165.63/x
  3. Step 3: Cross multiply
    326,822.95x = 490,262.67 × 90,165.63
  4. Step 4: Simplify right side
    326,822.95x = 44,204,842,506.03
  5. Step 5: Solve for x
    x = 44,204,842,506.03/326,822.95
  6. Step 6: Final answer
    x = 135,256.24

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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.