Finding the Fourth Proportional to 117,356.00, 161,951.36 and 63,641.00
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Solution
The fourth proportional to 117,356.00, 161,951.36 and 63,641.00 is: 87,824.62
Step by Step Solution
- Step 1: Write the proportion equation
117,356.00 : 161,951.36 = 63,641.00 : x - Step 2: Convert to fraction form
117,356.00/161,951.36 = 63,641.00/x - Step 3: Cross multiply
117,356.00x = 161,951.36 × 63,641.00 - Step 4: Simplify right side
117,356.00x = 10,306,745,373.80 - Step 5: Solve for x
x = 10,306,745,373.80/117,356.00 - Step 6: Final answer
x = 87,824.62
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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.