Home / 331,021.50-456,816.96-180,118.50

Finding the Fourth Proportional to 331,021.50, 456,816.96 and 180,118.50

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Solution

The fourth proportional to 331,021.50, 456,816.96 and 180,118.50 is: 248,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,021.50 : 456,816.96 = 180,118.50 : x
  2. Step 2: Convert to fraction form
    331,021.50/456,816.96 = 180,118.50/x
  3. Step 3: Cross multiply
    331,021.50x = 456,816.96 × 180,118.50
  4. Step 4: Simplify right side
    331,021.50x = 82,281,185,609.76
  5. Step 5: Solve for x
    x = 82,281,185,609.76/331,021.50
  6. Step 6: Final answer
    x = 248,567.50

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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.