Home / 215,869.20-323,803.80-180,877.20

Finding the Fourth Proportional to 215,869.20, 323,803.80 and 180,877.20

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Solution

The fourth proportional to 215,869.20, 323,803.80 and 180,877.20 is: 271,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,869.20 : 323,803.80 = 180,877.20 : x
  2. Step 2: Convert to fraction form
    215,869.20/323,803.80 = 180,877.20/x
  3. Step 3: Cross multiply
    215,869.20x = 323,803.80 × 180,877.20
  4. Step 4: Simplify right side
    215,869.20x = 58,568,724,693.36
  5. Step 5: Solve for x
    x = 58,568,724,693.36/215,869.20
  6. Step 6: Final answer
    x = 271,315.80

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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.