Home / 347,847.10-521,770.65-223,431.10

Finding the Fourth Proportional to 347,847.10, 521,770.65 and 223,431.10

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Solution

The fourth proportional to 347,847.10, 521,770.65 and 223,431.10 is: 335,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,847.10 : 521,770.65 = 223,431.10 : x
  2. Step 2: Convert to fraction form
    347,847.10/521,770.65 = 223,431.10/x
  3. Step 3: Cross multiply
    347,847.10x = 521,770.65 × 223,431.10
  4. Step 4: Simplify right side
    347,847.10x = 116,579,790,277.22
  5. Step 5: Solve for x
    x = 116,579,790,277.22/347,847.10
  6. Step 6: Final answer
    x = 335,146.65

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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.