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Finding the Fourth Proportional to 300,094.08, 450,009.84 and 142,367.52

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Solution

The fourth proportional to 300,094.08, 450,009.84 and 142,367.52 is: 213,489.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,094.08 : 450,009.84 = 142,367.52 : x
  2. Step 2: Convert to fraction form
    300,094.08/450,009.84 = 142,367.52/x
  3. Step 3: Cross multiply
    300,094.08x = 450,009.84 × 142,367.52
  4. Step 4: Simplify right side
    300,094.08x = 64,066,784,896.40
  5. Step 5: Solve for x
    x = 64,066,784,896.40/300,094.08
  6. Step 6: Final answer
    x = 213,489.00

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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.