Finding the Fourth Proportional to 117,118.06, 161,622.98 and 63,403.08
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Solution
The fourth proportional to 117,118.06, 161,622.98 and 63,403.08 is: 87,496.28
Step by Step Solution
- Step 1: Write the proportion equation
117,118.06 : 161,622.98 = 63,403.08 : x - Step 2: Convert to fraction form
117,118.06/161,622.98 = 63,403.08/x - Step 3: Cross multiply
117,118.06x = 161,622.98 × 63,403.08 - Step 4: Simplify right side
117,118.06x = 10,247,394,730.78 - Step 5: Solve for x
x = 10,247,394,730.78/117,118.06 - Step 6: Final answer
x = 87,496.28
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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.