Finding the Fourth Proportional to 117,007.47, 161,470.26 and 63,292.41
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Solution
The fourth proportional to 117,007.47, 161,470.26 and 63,292.41 is: 87,343.50
Step by Step Solution
- Step 1: Write the proportion equation
117,007.47 : 161,470.26 = 63,292.41 : x - Step 2: Convert to fraction form
117,007.47/161,470.26 = 63,292.41/x - Step 3: Cross multiply
117,007.47x = 161,470.26 × 63,292.41 - Step 4: Simplify right side
117,007.47x = 10,219,841,898.73 - Step 5: Solve for x
x = 10,219,841,898.73/117,007.47 - Step 6: Final answer
x = 87,343.50
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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.