Home / 300,190.32-450,285.39-113,158.08

Finding the Fourth Proportional to 300,190.32, 450,285.39 and 113,158.08

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Solution

The fourth proportional to 300,190.32, 450,285.39 and 113,158.08 is: 169,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,190.32 : 450,285.39 = 113,158.08 : x
  2. Step 2: Convert to fraction form
    300,190.32/450,285.39 = 113,158.08/x
  3. Step 3: Cross multiply
    300,190.32x = 450,285.39 × 113,158.08
  4. Step 4: Simplify right side
    300,190.32x = 50,953,430,184.45
  5. Step 5: Solve for x
    x = 50,953,430,184.45/300,190.32
  6. Step 6: Final answer
    x = 169,737.09

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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.