Home / 289,537.54-434,364.34-100,004.86

Finding the Fourth Proportional to 289,537.54, 434,364.34 and 100,004.86

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Solution

The fourth proportional to 289,537.54, 434,364.34 and 100,004.86 is: 150,027.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,537.54 : 434,364.34 = 100,004.86 : x
  2. Step 2: Convert to fraction form
    289,537.54/434,364.34 = 100,004.86/x
  3. Step 3: Cross multiply
    289,537.54x = 434,364.34 × 100,004.86
  4. Step 4: Simplify right side
    289,537.54x = 43,438,545,010.69
  5. Step 5: Solve for x
    x = 43,438,545,010.69/289,537.54
  6. Step 6: Final answer
    x = 150,027.33

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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.