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Finding the Fourth Proportional to 290,551.26, 435,433.23 and 150,408.30

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Solution

The fourth proportional to 290,551.26, 435,433.23 and 150,408.30 is: 225,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,551.26 : 435,433.23 = 150,408.30 : x
  2. Step 2: Convert to fraction form
    290,551.26/435,433.23 = 150,408.30/x
  3. Step 3: Cross multiply
    290,551.26x = 435,433.23 × 150,408.30
  4. Step 4: Simplify right side
    290,551.26x = 65,492,771,887.81
  5. Step 5: Solve for x
    x = 65,492,771,887.81/290,551.26
  6. Step 6: Final answer
    x = 225,408.67

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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.