Finding the Fourth Proportional to 155,218.78, 232,633.48 and 66,367.99
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Solution
The fourth proportional to 155,218.78, 232,633.48 and 66,367.99 is: 99,468.74
Step by Step Solution
- Step 1: Write the proportion equation
155,218.78 : 232,633.48 = 66,367.99 : x - Step 2: Convert to fraction form
155,218.78/232,633.48 = 66,367.99/x - Step 3: Cross multiply
155,218.78x = 232,633.48 × 66,367.99 - Step 4: Simplify right side
155,218.78x = 15,439,416,474.31 - Step 5: Solve for x
x = 15,439,416,474.31/155,218.78 - Step 6: Final answer
x = 99,468.74
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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.