Finding the Fourth Proportional to 114,328.26, 157,770.18 and 66,590.91
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Solution
The fourth proportional to 114,328.26, 157,770.18 and 66,590.91 is: 91,893.81
Step by Step Solution
- Step 1: Write the proportion equation
114,328.26 : 157,770.18 = 66,590.91 : x - Step 2: Convert to fraction form
114,328.26/157,770.18 = 66,590.91/x - Step 3: Cross multiply
114,328.26x = 157,770.18 × 66,590.91 - Step 4: Simplify right side
114,328.26x = 10,506,059,857.06 - Step 5: Solve for x
x = 10,506,059,857.06/114,328.26 - Step 6: Final answer
x = 91,893.81
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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.