Finding the Fourth Proportional to 438,877.64, 658,506.60 and 154,771.18
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Solution
The fourth proportional to 438,877.64, 658,506.60 and 154,771.18 is: 232,223.82
Step by Step Solution
- Step 1: Write the proportion equation
438,877.64 : 658,506.60 = 154,771.18 : x - Step 2: Convert to fraction form
438,877.64/658,506.60 = 154,771.18/x - Step 3: Cross multiply
438,877.64x = 658,506.60 × 154,771.18 - Step 4: Simplify right side
438,877.64x = 101,917,840,227.26 - Step 5: Solve for x
x = 101,917,840,227.26/438,877.64 - Step 6: Final answer
x = 232,223.82
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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.