Home / 289,104.37-433,638.08-89,408.03

Finding the Fourth Proportional to 289,104.37, 433,638.08 and 89,408.03

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Solution

The fourth proportional to 289,104.37, 433,638.08 and 89,408.03 is: 134,106.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,104.37 : 433,638.08 = 89,408.03 : x
  2. Step 2: Convert to fraction form
    289,104.37/433,638.08 = 89,408.03/x
  3. Step 3: Cross multiply
    289,104.37x = 433,638.08 × 89,408.03
  4. Step 4: Simplify right side
    289,104.37x = 38,770,726,465.78
  5. Step 5: Solve for x
    x = 38,770,726,465.78/289,104.37
  6. Step 6: Final answer
    x = 134,106.33

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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.