Finding the Fourth Proportional to 438,880.14, 658,510.36 and 154,773.68
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Solution
The fourth proportional to 438,880.14, 658,510.36 and 154,773.68 is: 232,227.58
Step by Step Solution
- Step 1: Write the proportion equation
438,880.14 : 658,510.36 = 154,773.68 : x - Step 2: Convert to fraction form
438,880.14/658,510.36 = 154,773.68/x - Step 3: Cross multiply
438,880.14x = 658,510.36 × 154,773.68 - Step 4: Simplify right side
438,880.14x = 101,920,071,735.33 - Step 5: Solve for x
x = 101,920,071,735.33/438,880.14 - Step 6: Final answer
x = 232,227.58
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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.