Home / 388,262.35-535,719.36-227,085.91

Finding the Fourth Proportional to 388,262.35, 535,719.36 and 227,085.91

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Solution

The fourth proportional to 388,262.35, 535,719.36 and 227,085.91 is: 313,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,262.35 : 535,719.36 = 227,085.91 : x
  2. Step 2: Convert to fraction form
    388,262.35/535,719.36 = 227,085.91/x
  3. Step 3: Cross multiply
    388,262.35x = 535,719.36 × 227,085.91
  4. Step 4: Simplify right side
    388,262.35x = 121,654,318,370.22
  5. Step 5: Solve for x
    x = 121,654,318,370.22/388,262.35
  6. Step 6: Final answer
    x = 313,330.20

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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.