Home / 355,147.55-532,717.68-205,292.49

Finding the Fourth Proportional to 355,147.55, 532,717.68 and 205,292.49

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Solution

The fourth proportional to 355,147.55, 532,717.68 and 205,292.49 is: 307,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,147.55 : 532,717.68 = 205,292.49 : x
  2. Step 2: Convert to fraction form
    355,147.55/532,717.68 = 205,292.49/x
  3. Step 3: Cross multiply
    355,147.55x = 532,717.68 × 205,292.49
  4. Step 4: Simplify right side
    355,147.55x = 109,362,939,507.45
  5. Step 5: Solve for x
    x = 109,362,939,507.45/355,147.55
  6. Step 6: Final answer
    x = 307,936.63

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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.