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Finding the Fourth Proportional to 336,263.96, 504,394.98 and 111,641.42

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Solution

The fourth proportional to 336,263.96, 504,394.98 and 111,641.42 is: 167,461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,263.96 : 504,394.98 = 111,641.42 : x
  2. Step 2: Convert to fraction form
    336,263.96/504,394.98 = 111,641.42/x
  3. Step 3: Cross multiply
    336,263.96x = 504,394.98 × 111,641.42
  4. Step 4: Simplify right side
    336,263.96x = 56,311,371,808.07
  5. Step 5: Solve for x
    x = 56,311,371,808.07/336,263.96
  6. Step 6: Final answer
    x = 167,461.81

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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.