Finding the Fourth Proportional to 156,821.82, 216,366.44 and 88,827.99
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Solution
The fourth proportional to 156,821.82, 216,366.44 and 88,827.99 is: 122,555.62
Step by Step Solution
- Step 1: Write the proportion equation
156,821.82 : 216,366.44 = 88,827.99 : x - Step 2: Convert to fraction form
156,821.82/216,366.44 = 88,827.99/x - Step 3: Cross multiply
156,821.82x = 216,366.44 × 88,827.99 - Step 4: Simplify right side
156,821.82x = 19,219,395,524.52 - Step 5: Solve for x
x = 19,219,395,524.52/156,821.82 - Step 6: Final answer
x = 122,555.62
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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.