Finding the Fourth Proportional to 121,521.60, 182,000.52 and 117,316.62
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Solution
The fourth proportional to 121,521.60, 182,000.52 and 117,316.62 is: 175,702.80
Step by Step Solution
- Step 1: Write the proportion equation
121,521.60 : 182,000.52 = 117,316.62 : x - Step 2: Convert to fraction form
121,521.60/182,000.52 = 117,316.62/x - Step 3: Cross multiply
121,521.60x = 182,000.52 × 117,316.62 - Step 4: Simplify right side
121,521.60x = 21,351,685,844.64 - Step 5: Solve for x
x = 21,351,685,844.64/121,521.60 - Step 6: Final answer
x = 175,702.80
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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.