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Finding the Fourth Proportional to 355,182.06, 490,160.87 and 212,025.14

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Solution

The fourth proportional to 355,182.06, 490,160.87 and 212,025.14 is: 292,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,182.06 : 490,160.87 = 212,025.14 : x
  2. Step 2: Convert to fraction form
    355,182.06/490,160.87 = 212,025.14/x
  3. Step 3: Cross multiply
    355,182.06x = 490,160.87 × 212,025.14
  4. Step 4: Simplify right side
    355,182.06x = 103,926,428,963.69
  5. Step 5: Solve for x
    x = 103,926,428,963.69/355,182.06
  6. Step 6: Final answer
    x = 292,600.44

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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.