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Finding the Fourth Proportional to 216,354.44, 300,096.71 and 210,600.20

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Solution

The fourth proportional to 216,354.44, 300,096.71 and 210,600.20 is: 292,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,354.44 : 300,096.71 = 210,600.20 : x
  2. Step 2: Convert to fraction form
    216,354.44/300,096.71 = 210,600.20/x
  3. Step 3: Cross multiply
    216,354.44x = 300,096.71 × 210,600.20
  4. Step 4: Simplify right side
    216,354.44x = 63,200,427,145.34
  5. Step 5: Solve for x
    x = 63,200,427,145.34/216,354.44
  6. Step 6: Final answer
    x = 292,115.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.