Finding the Fourth Proportional to 438,968.66, 658,448.19 and 106,544.66
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Solution
The fourth proportional to 438,968.66, 658,448.19 and 106,544.66 is: 159,815.82
Step by Step Solution
- Step 1: Write the proportion equation
438,968.66 : 658,448.19 = 106,544.66 : x - Step 2: Convert to fraction form
438,968.66/658,448.19 = 106,544.66/x - Step 3: Cross multiply
438,968.66x = 658,448.19 × 106,544.66 - Step 4: Simplify right side
438,968.66x = 70,154,138,531.17 - Step 5: Solve for x
x = 70,154,138,531.17/438,968.66 - Step 6: Final answer
x = 159,815.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.