Home / 347,400.09-520,933.68-169,699.05

Finding the Fourth Proportional to 347,400.09, 520,933.68 and 169,699.05

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Solution

The fourth proportional to 347,400.09, 520,933.68 and 169,699.05 is: 254,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,400.09 : 520,933.68 = 169,699.05 : x
  2. Step 2: Convert to fraction form
    347,400.09/520,933.68 = 169,699.05/x
  3. Step 3: Cross multiply
    347,400.09x = 520,933.68 × 169,699.05
  4. Step 4: Simplify right side
    347,400.09x = 88,401,950,609.00
  5. Step 5: Solve for x
    x = 88,401,950,609.00/347,400.09
  6. Step 6: Final answer
    x = 254,467.26

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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.