Home / 289,333.50-434,235.69-149,132.22

Finding the Fourth Proportional to 289,333.50, 434,235.69 and 149,132.22

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Solution

The fourth proportional to 289,333.50, 434,235.69 and 149,132.22 is: 223,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,333.50 : 434,235.69 = 149,132.22 : x
  2. Step 2: Convert to fraction form
    289,333.50/434,235.69 = 149,132.22/x
  3. Step 3: Cross multiply
    289,333.50x = 434,235.69 × 149,132.22
  4. Step 4: Simplify right side
    289,333.50x = 64,758,532,452.93
  5. Step 5: Solve for x
    x = 64,758,532,452.93/289,333.50
  6. Step 6: Final answer
    x = 223,819.68

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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.