Finding the Fourth Proportional to 229,225.92, 343,913.58 and 115,314.94
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Solution
The fourth proportional to 229,225.92, 343,913.58 and 115,314.94 is: 173,009.99
Step by Step Solution
- Step 1: Write the proportion equation
229,225.92 : 343,913.58 = 115,314.94 : x - Step 2: Convert to fraction form
229,225.92/343,913.58 = 115,314.94/x - Step 3: Cross multiply
229,225.92x = 343,913.58 × 115,314.94 - Step 4: Simplify right side
229,225.92x = 39,658,373,842.89 - Step 5: Solve for x
x = 39,658,373,842.89/229,225.92 - Step 6: Final answer
x = 173,009.99
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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.