Home / 355,623.40-533,580.90-131,091.40

Finding the Fourth Proportional to 355,623.40, 533,580.90 and 131,091.40

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Solution

The fourth proportional to 355,623.40, 533,580.90 and 131,091.40 is: 196,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,623.40 : 533,580.90 = 131,091.40 : x
  2. Step 2: Convert to fraction form
    355,623.40/533,580.90 = 131,091.40/x
  3. Step 3: Cross multiply
    355,623.40x = 533,580.90 × 131,091.40
  4. Step 4: Simplify right side
    355,623.40x = 69,947,867,194.26
  5. Step 5: Solve for x
    x = 69,947,867,194.26/355,623.40
  6. Step 6: Final answer
    x = 196,690.85

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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.