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Finding the Fourth Proportional to 227,670.40, 341,505.60 and 216,006.40

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Solution

The fourth proportional to 227,670.40, 341,505.60 and 216,006.40 is: 324,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,670.40 : 341,505.60 = 216,006.40 : x
  2. Step 2: Convert to fraction form
    227,670.40/341,505.60 = 216,006.40/x
  3. Step 3: Cross multiply
    227,670.40x = 341,505.60 × 216,006.40
  4. Step 4: Simplify right side
    227,670.40x = 73,767,395,235.84
  5. Step 5: Solve for x
    x = 73,767,395,235.84/227,670.40
  6. Step 6: Final answer
    x = 324,009.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.