Home / 259,267.02-388,893.24-141,682.98

Finding the Fourth Proportional to 259,267.02, 388,893.24 and 141,682.98

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Solution

The fourth proportional to 259,267.02, 388,893.24 and 141,682.98 is: 212,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,267.02 : 388,893.24 = 141,682.98 : x
  2. Step 2: Convert to fraction form
    259,267.02/388,893.24 = 141,682.98/x
  3. Step 3: Cross multiply
    259,267.02x = 388,893.24 × 141,682.98
  4. Step 4: Simplify right side
    259,267.02x = 55,099,553,145.06
  5. Step 5: Solve for x
    x = 55,099,553,145.06/259,267.02
  6. Step 6: Final answer
    x = 212,520.49

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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.