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Finding the Fourth Proportional to 189,219.40, 283,829.10 and 180,003.40

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Solution

The fourth proportional to 189,219.40, 283,829.10 and 180,003.40 is: 270,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,219.40 : 283,829.10 = 180,003.40 : x
  2. Step 2: Convert to fraction form
    189,219.40/283,829.10 = 180,003.40/x
  3. Step 3: Cross multiply
    189,219.40x = 283,829.10 × 180,003.40
  4. Step 4: Simplify right side
    189,219.40x = 51,090,203,018.94
  5. Step 5: Solve for x
    x = 51,090,203,018.94/189,219.40
  6. Step 6: Final answer
    x = 270,005.10

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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.