Home / 311,579.78-429,977.90-184,252.64

Finding the Fourth Proportional to 311,579.78, 429,977.90 and 184,252.64

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Solution

The fourth proportional to 311,579.78, 429,977.90 and 184,252.64 is: 254,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,579.78 : 429,977.90 = 184,252.64 : x
  2. Step 2: Convert to fraction form
    311,579.78/429,977.90 = 184,252.64/x
  3. Step 3: Cross multiply
    311,579.78x = 429,977.90 × 184,252.64
  4. Step 4: Simplify right side
    311,579.78x = 79,224,561,527.40
  5. Step 5: Solve for x
    x = 79,224,561,527.40/311,579.78
  6. Step 6: Final answer
    x = 254,267.34

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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.