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Finding the Fourth Proportional to 255,725.02, 353,051.94 and 227,352.34

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Solution

The fourth proportional to 255,725.02, 353,051.94 and 227,352.34 is: 313,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,725.02 : 353,051.94 = 227,352.34 : x
  2. Step 2: Convert to fraction form
    255,725.02/353,051.94 = 227,352.34/x
  3. Step 3: Cross multiply
    255,725.02x = 353,051.94 × 227,352.34
  4. Step 4: Simplify right side
    255,725.02x = 80,267,184,700.54
  5. Step 5: Solve for x
    x = 80,267,184,700.54/255,725.02
  6. Step 6: Final answer
    x = 313,880.84

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1.5x scale

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.