Finding the Fourth Proportional to 155,232.96, 232,654.65 and 66,381.98
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Solution
The fourth proportional to 155,232.96, 232,654.65 and 66,381.98 is: 99,489.66
Step by Step Solution
- Step 1: Write the proportion equation
155,232.96 : 232,654.65 = 66,381.98 : x - Step 2: Convert to fraction form
155,232.96/232,654.65 = 66,381.98/x - Step 3: Cross multiply
155,232.96x = 232,654.65 × 66,381.98 - Step 4: Simplify right side
155,232.96x = 15,444,075,159.93 - Step 5: Solve for x
x = 15,444,075,159.93/155,232.96 - Step 6: Final answer
x = 99,489.66
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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.