Finding the Fourth Proportional to 310,553.07, 428,578.44 and 174,629.81
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Solution
The fourth proportional to 310,553.07, 428,578.44 and 174,629.81 is: 240,997.68
Step by Step Solution
- Step 1: Write the proportion equation
310,553.07 : 428,578.44 = 174,629.81 : x - Step 2: Convert to fraction form
310,553.07/428,578.44 = 174,629.81/x - Step 3: Cross multiply
310,553.07x = 428,578.44 × 174,629.81 - Step 4: Simplify right side
310,553.07x = 74,842,569,404.40 - Step 5: Solve for x
x = 74,842,569,404.40/310,553.07 - Step 6: Final answer
x = 240,997.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.