Finding the Fourth Proportional to 155,685.48, 232,675.21 and 113,654.07
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Solution
The fourth proportional to 155,685.48, 232,675.21 and 113,654.07 is: 169,858.39
Step by Step Solution
- Step 1: Write the proportion equation
155,685.48 : 232,675.21 = 113,654.07 : x - Step 2: Convert to fraction form
155,685.48/232,675.21 = 113,654.07/x - Step 3: Cross multiply
155,685.48x = 232,675.21 × 113,654.07 - Step 4: Simplify right side
155,685.48x = 26,444,484,604.60 - Step 5: Solve for x
x = 26,444,484,604.60/155,685.48 - Step 6: Final answer
x = 169,858.39
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.