Home / 289,584.36-434,500.20-149,441.40

Finding the Fourth Proportional to 289,584.36, 434,500.20 and 149,441.40

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Solution

The fourth proportional to 289,584.36, 434,500.20 and 149,441.40 is: 224,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,584.36 : 434,500.20 = 149,441.40 : x
  2. Step 2: Convert to fraction form
    289,584.36/434,500.20 = 149,441.40/x
  3. Step 3: Cross multiply
    289,584.36x = 434,500.20 × 149,441.40
  4. Step 4: Simplify right side
    289,584.36x = 64,932,318,188.28
  5. Step 5: Solve for x
    x = 64,932,318,188.28/289,584.36
  6. Step 6: Final answer
    x = 224,225.92

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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.