Home / 327,488.10-491,232.10-90,830.81

Finding the Fourth Proportional to 327,488.10, 491,232.10 and 90,830.81

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Solution

The fourth proportional to 327,488.10, 491,232.10 and 90,830.81 is: 136,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,488.10 : 491,232.10 = 90,830.81 : x
  2. Step 2: Convert to fraction form
    327,488.10/491,232.10 = 90,830.81/x
  3. Step 3: Cross multiply
    327,488.10x = 491,232.10 × 90,830.81
  4. Step 4: Simplify right side
    327,488.10x = 44,619,009,541.00
  5. Step 5: Solve for x
    x = 44,619,009,541.00/327,488.10
  6. Step 6: Final answer
    x = 136,246.20

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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.