Finding the Fourth Proportional to 248,279.68, 342,742.08 and 158,907.52
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Solution
The fourth proportional to 248,279.68, 342,742.08 and 158,907.52 is: 219,366.70
Step by Step Solution
- Step 1: Write the proportion equation
248,279.68 : 342,742.08 = 158,907.52 : x - Step 2: Convert to fraction form
248,279.68/342,742.08 = 158,907.52/x - Step 3: Cross multiply
248,279.68x = 342,742.08 × 158,907.52 - Step 4: Simplify right side
248,279.68x = 54,464,293,932.44 - Step 5: Solve for x
x = 54,464,293,932.44/248,279.68 - Step 6: Final answer
x = 219,366.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.