Finding the Fourth Proportional to 112,884.36, 169,309.26 and 29,784.84
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Solution
The fourth proportional to 112,884.36, 169,309.26 and 29,784.84 is: 44,672.70
Step by Step Solution
- Step 1: Write the proportion equation
112,884.36 : 169,309.26 = 29,784.84 : x - Step 2: Convert to fraction form
112,884.36/169,309.26 = 29,784.84/x - Step 3: Cross multiply
112,884.36x = 169,309.26 × 29,784.84 - Step 4: Simplify right side
112,884.36x = 5,042,849,219.62 - Step 5: Solve for x
x = 5,042,849,219.62/112,884.36 - Step 6: Final answer
x = 44,672.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.