Home / 436,840.05-655,337.03-180,671.88

Finding the Fourth Proportional to 436,840.05, 655,337.03 and 180,671.88

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Solution

The fourth proportional to 436,840.05, 655,337.03 and 180,671.88 is: 271,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,840.05 : 655,337.03 = 180,671.88 : x
  2. Step 2: Convert to fraction form
    436,840.05/655,337.03 = 180,671.88/x
  3. Step 3: Cross multiply
    436,840.05x = 655,337.03 × 180,671.88
  4. Step 4: Simplify right side
    436,840.05x = 118,400,972,340.36
  5. Step 5: Solve for x
    x = 118,400,972,340.36/436,840.05
  6. Step 6: Final answer
    x = 271,039.65

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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.