Home / 252,230.02-378,400.38-74,750.92

Finding the Fourth Proportional to 252,230.02, 378,400.38 and 74,750.92

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Solution

The fourth proportional to 252,230.02, 378,400.38 and 74,750.92 is: 112,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,230.02 : 378,400.38 = 74,750.92 : x
  2. Step 2: Convert to fraction form
    252,230.02/378,400.38 = 74,750.92/x
  3. Step 3: Cross multiply
    252,230.02x = 378,400.38 × 74,750.92
  4. Step 4: Simplify right side
    252,230.02x = 28,285,776,533.35
  5. Step 5: Solve for x
    x = 28,285,776,533.35/252,230.02
  6. Step 6: Final answer
    x = 112,142.78

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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.