Home / 327,521.04-491,281.68-117,146.40

Finding the Fourth Proportional to 327,521.04, 491,281.68 and 117,146.40

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Solution

The fourth proportional to 327,521.04, 491,281.68 and 117,146.40 is: 175,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,521.04 : 491,281.68 = 117,146.40 : x
  2. Step 2: Convert to fraction form
    327,521.04/491,281.68 = 117,146.40/x
  3. Step 3: Cross multiply
    327,521.04x = 491,281.68 × 117,146.40
  4. Step 4: Simplify right side
    327,521.04x = 57,551,880,197.95
  5. Step 5: Solve for x
    x = 57,551,880,197.95/327,521.04
  6. Step 6: Final answer
    x = 175,719.64

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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.