Finding the Fourth Proportional to 117,004.18, 161,465.16 and 63,289.03
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Solution
The fourth proportional to 117,004.18, 161,465.16 and 63,289.03 is: 87,338.53
Step by Step Solution
- Step 1: Write the proportion equation
117,004.18 : 161,465.16 = 63,289.03 : x - Step 2: Convert to fraction form
117,004.18/161,465.16 = 63,289.03/x - Step 3: Cross multiply
117,004.18x = 161,465.16 × 63,289.03 - Step 4: Simplify right side
117,004.18x = 10,218,973,355.19 - Step 5: Solve for x
x = 10,218,973,355.19/117,004.18 - Step 6: Final answer
x = 87,338.53
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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.