Home / 436,270.32-654,400.59-170,217.67

Finding the Fourth Proportional to 436,270.32, 654,400.59 and 170,217.67

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Solution

The fourth proportional to 436,270.32, 654,400.59 and 170,217.67 is: 255,324.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,270.32 : 654,400.59 = 170,217.67 : x
  2. Step 2: Convert to fraction form
    436,270.32/654,400.59 = 170,217.67/x
  3. Step 3: Cross multiply
    436,270.32x = 654,400.59 × 170,217.67
  4. Step 4: Simplify right side
    436,270.32x = 111,390,541,402.11
  5. Step 5: Solve for x
    x = 111,390,541,402.11/436,270.32
  6. Step 6: Final answer
    x = 255,324.59

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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.