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Finding the Fourth Proportional to 289,552.40, 433,810.20 and 236,675.60

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Solution

The fourth proportional to 289,552.40, 433,810.20 and 236,675.60 is: 354,589.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,552.40 : 433,810.20 = 236,675.60 : x
  2. Step 2: Convert to fraction form
    289,552.40/433,810.20 = 236,675.60/x
  3. Step 3: Cross multiply
    289,552.40x = 433,810.20 × 236,675.60
  4. Step 4: Simplify right side
    289,552.40x = 102,672,289,371.12
  5. Step 5: Solve for x
    x = 102,672,289,371.12/289,552.40
  6. Step 6: Final answer
    x = 354,589.67

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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.