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Finding the Fourth Proportional to 370,784.70, 511,684.02 and 201,018.96

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Solution

The fourth proportional to 370,784.70, 511,684.02 and 201,018.96 is: 277,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,784.70 : 511,684.02 = 201,018.96 : x
  2. Step 2: Convert to fraction form
    370,784.70/511,684.02 = 201,018.96/x
  3. Step 3: Cross multiply
    370,784.70x = 511,684.02 × 201,018.96
  4. Step 4: Simplify right side
    370,784.70x = 102,858,189,549.02
  5. Step 5: Solve for x
    x = 102,858,189,549.02/370,784.70
  6. Step 6: Final answer
    x = 277,406.78

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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.