Home / 300,366.36-450,492.11-90,004.30

Finding the Fourth Proportional to 300,366.36, 450,492.11 and 90,004.30

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Solution

The fourth proportional to 300,366.36, 450,492.11 and 90,004.30 is: 134,989.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,366.36 : 450,492.11 = 90,004.30 : x
  2. Step 2: Convert to fraction form
    300,366.36/450,492.11 = 90,004.30/x
  3. Step 3: Cross multiply
    300,366.36x = 450,492.11 × 90,004.30
  4. Step 4: Simplify right side
    300,366.36x = 40,546,226,114.85
  5. Step 5: Solve for x
    x = 40,546,226,114.85/300,366.36
  6. Step 6: Final answer
    x = 134,989.24

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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.