Finding the Fourth Proportional to 155,123.36, 232,772.84 and 66,368.96
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Solution
The fourth proportional to 155,123.36, 232,772.84 and 66,368.96 is: 99,591.00
Step by Step Solution
- Step 1: Write the proportion equation
155,123.36 : 232,772.84 = 66,368.96 : x - Step 2: Convert to fraction form
155,123.36/232,772.84 = 66,368.96/x - Step 3: Cross multiply
155,123.36x = 232,772.84 × 66,368.96 - Step 4: Simplify right side
155,123.36x = 15,448,891,307.05 - Step 5: Solve for x
x = 15,448,891,307.05/155,123.36 - Step 6: Final answer
x = 99,591.00
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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.