Finding the Fourth Proportional to 229,135.57, 343,621.33 and 79,335.65
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Solution
The fourth proportional to 229,135.57, 343,621.33 and 79,335.65 is: 118,975.07
Step by Step Solution
- Step 1: Write the proportion equation
229,135.57 : 343,621.33 = 79,335.65 : x - Step 2: Convert to fraction form
229,135.57/343,621.33 = 79,335.65/x - Step 3: Cross multiply
229,135.57x = 343,621.33 × 79,335.65 - Step 4: Simplify right side
229,135.57x = 27,261,421,569.41 - Step 5: Solve for x
x = 27,261,421,569.41/229,135.57 - Step 6: Final answer
x = 118,975.07
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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.