Home / 336,428.34-504,739.91-99,776.72

Finding the Fourth Proportional to 336,428.34, 504,739.91 and 99,776.72

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Solution

The fourth proportional to 336,428.34, 504,739.91 and 99,776.72 is: 149,693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,428.34 : 504,739.91 = 99,776.72 : x
  2. Step 2: Convert to fraction form
    336,428.34/504,739.91 = 99,776.72/x
  3. Step 3: Cross multiply
    336,428.34x = 504,739.91 × 99,776.72
  4. Step 4: Simplify right side
    336,428.34x = 50,361,289,650.31
  5. Step 5: Solve for x
    x = 50,361,289,650.31/336,428.34
  6. Step 6: Final answer
    x = 149,693.96

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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.