Finding the Fourth Proportional to 161,470.08, 222,702.48 and 104,899.68
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Solution
The fourth proportional to 161,470.08, 222,702.48 and 104,899.68 is: 144,679.55
Step by Step Solution
- Step 1: Write the proportion equation
161,470.08 : 222,702.48 = 104,899.68 : x - Step 2: Convert to fraction form
161,470.08/222,702.48 = 104,899.68/x - Step 3: Cross multiply
161,470.08x = 222,702.48 × 104,899.68 - Step 4: Simplify right side
161,470.08x = 23,361,418,887.21 - Step 5: Solve for x
x = 23,361,418,887.21/161,470.08 - Step 6: Final answer
x = 144,679.55
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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.