Finding the Fourth Proportional to 638,160.36, 880,661.50 and 347,772.02
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Solution
The fourth proportional to 638,160.36, 880,661.50 and 347,772.02 is: 479,925.50
Step by Step Solution
- Step 1: Write the proportion equation
638,160.36 : 880,661.50 = 347,772.02 : x - Step 2: Convert to fraction form
638,160.36/880,661.50 = 347,772.02/x - Step 3: Cross multiply
638,160.36x = 880,661.50 × 347,772.02 - Step 4: Simplify right side
638,160.36x = 306,269,428,791.23 - Step 5: Solve for x
x = 306,269,428,791.23/638,160.36 - Step 6: Final answer
x = 479,925.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.