Home / 388,282.43-535,725.14-227,177.07

Finding the Fourth Proportional to 388,282.43, 535,725.14 and 227,177.07

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Solution

The fourth proportional to 388,282.43, 535,725.14 and 227,177.07 is: 313,443.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,282.43 : 535,725.14 = 227,177.07 : x
  2. Step 2: Convert to fraction form
    388,282.43/535,725.14 = 227,177.07/x
  3. Step 3: Cross multiply
    388,282.43x = 535,725.14 × 227,177.07
  4. Step 4: Simplify right side
    388,282.43x = 121,704,466,494.65
  5. Step 5: Solve for x
    x = 121,704,466,494.65/388,282.43
  6. Step 6: Final answer
    x = 313,443.15

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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.