Home / 347,846.10-521,769.15-223,430.10

Finding the Fourth Proportional to 347,846.10, 521,769.15 and 223,430.10

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Solution

The fourth proportional to 347,846.10, 521,769.15 and 223,430.10 is: 335,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,846.10 : 521,769.15 = 223,430.10 : x
  2. Step 2: Convert to fraction form
    347,846.10/521,769.15 = 223,430.10/x
  3. Step 3: Cross multiply
    347,846.10x = 521,769.15 × 223,430.10
  4. Step 4: Simplify right side
    347,846.10x = 116,578,933,361.42
  5. Step 5: Solve for x
    x = 116,578,933,361.42/347,846.10
  6. Step 6: Final answer
    x = 335,145.15

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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.