Home / 336,933.96-505,398.90-84,213.18

Finding the Fourth Proportional to 336,933.96, 505,398.90 and 84,213.18

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Solution

The fourth proportional to 336,933.96, 505,398.90 and 84,213.18 is: 126,319.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,933.96 : 505,398.90 = 84,213.18 : x
  2. Step 2: Convert to fraction form
    336,933.96/505,398.90 = 84,213.18/x
  3. Step 3: Cross multiply
    336,933.96x = 505,398.90 × 84,213.18
  4. Step 4: Simplify right side
    336,933.96x = 42,561,248,537.50
  5. Step 5: Solve for x
    x = 42,561,248,537.50/336,933.96
  6. Step 6: Final answer
    x = 126,319.26

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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.