Finding the Fourth Proportional to 117,301.28, 161,877.84 and 63,588.08
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Solution
The fourth proportional to 117,301.28, 161,877.84 and 63,588.08 is: 87,752.67
Step by Step Solution
- Step 1: Write the proportion equation
117,301.28 : 161,877.84 = 63,588.08 : x - Step 2: Convert to fraction form
117,301.28/161,877.84 = 63,588.08/x - Step 3: Cross multiply
117,301.28x = 161,877.84 × 63,588.08 - Step 4: Simplify right side
117,301.28x = 10,293,501,040.15 - Step 5: Solve for x
x = 10,293,501,040.15/117,301.28 - Step 6: Final answer
x = 87,752.67
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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.