Finding the Fourth Proportional to 156,601.68, 216,120.96 and 88,618.68
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Solution
The fourth proportional to 156,601.68, 216,120.96 and 88,618.68 is: 122,299.80
Step by Step Solution
- Step 1: Write the proportion equation
156,601.68 : 216,120.96 = 88,618.68 : x - Step 2: Convert to fraction form
156,601.68/216,120.96 = 88,618.68/x - Step 3: Cross multiply
156,601.68x = 216,120.96 × 88,618.68 - Step 4: Simplify right side
156,601.68x = 19,152,354,195.53 - Step 5: Solve for x
x = 19,152,354,195.53/156,601.68 - Step 6: Final answer
x = 122,299.80
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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.