Home / 231,330.10-347,513.55-221,883.70

Finding the Fourth Proportional to 231,330.10, 347,513.55 and 221,883.70

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Solution

The fourth proportional to 231,330.10, 347,513.55 and 221,883.70 is: 333,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,330.10 : 347,513.55 = 221,883.70 : x
  2. Step 2: Convert to fraction form
    231,330.10/347,513.55 = 221,883.70/x
  3. Step 3: Cross multiply
    231,330.10x = 347,513.55 × 221,883.70
  4. Step 4: Simplify right side
    231,330.10x = 77,107,592,274.14
  5. Step 5: Solve for x
    x = 77,107,592,274.14/231,330.10
  6. Step 6: Final answer
    x = 333,322.78

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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.