Finding the Fourth Proportional to 156,714.80, 216,264.17 and 88,729.99
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Solution
The fourth proportional to 156,714.80, 216,264.17 and 88,729.99 is: 122,446.11
Step by Step Solution
- Step 1: Write the proportion equation
156,714.80 : 216,264.17 = 88,729.99 : x - Step 2: Convert to fraction form
156,714.80/216,264.17 = 88,729.99/x - Step 3: Cross multiply
156,714.80x = 216,264.17 × 88,729.99 - Step 4: Simplify right side
156,714.80x = 19,189,117,322.62 - Step 5: Solve for x
x = 19,189,117,322.62/156,714.80 - Step 6: Final answer
x = 122,446.11
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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.