Home / 253,200.72-349,504.92-145,813.50

Finding the Fourth Proportional to 253,200.72, 349,504.92 and 145,813.50

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Solution

The fourth proportional to 253,200.72, 349,504.92 and 145,813.50 is: 201,273.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,200.72 : 349,504.92 = 145,813.50 : x
  2. Step 2: Convert to fraction form
    253,200.72/349,504.92 = 145,813.50/x
  3. Step 3: Cross multiply
    253,200.72x = 349,504.92 × 145,813.50
  4. Step 4: Simplify right side
    253,200.72x = 50,962,535,652.42
  5. Step 5: Solve for x
    x = 50,962,535,652.42/253,200.72
  6. Step 6: Final answer
    x = 201,273.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.