Finding the Fourth Proportional to 229,089.38, 343,551.72 and 79,289.06
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Solution
The fourth proportional to 229,089.38, 343,551.72 and 79,289.06 is: 118,905.09
Step by Step Solution
- Step 1: Write the proportion equation
229,089.38 : 343,551.72 = 79,289.06 : x - Step 2: Convert to fraction form
229,089.38/343,551.72 = 79,289.06/x - Step 3: Cross multiply
229,089.38x = 343,551.72 × 79,289.06 - Step 4: Simplify right side
229,089.38x = 27,239,892,940.18 - Step 5: Solve for x
x = 27,239,892,940.18/229,089.38 - Step 6: Final answer
x = 118,905.09
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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.