Home / 224,322.71-309,613.23-128,882.03

Finding the Fourth Proportional to 224,322.71, 309,613.23 and 128,882.03

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Solution

The fourth proportional to 224,322.71, 309,613.23 and 128,882.03 is: 177,884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,322.71 : 309,613.23 = 128,882.03 : x
  2. Step 2: Convert to fraction form
    224,322.71/309,613.23 = 128,882.03/x
  3. Step 3: Cross multiply
    224,322.71x = 309,613.23 × 128,882.03
  4. Step 4: Simplify right side
    224,322.71x = 39,903,580,049.19
  5. Step 5: Solve for x
    x = 39,903,580,049.19/224,322.71
  6. Step 6: Final answer
    x = 177,884.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.