Finding the Fourth Proportional to 223,074.08, 307,838.40 and 122,471.36
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Solution
The fourth proportional to 223,074.08, 307,838.40 and 122,471.36 is: 169,008.37
Step by Step Solution
- Step 1: Write the proportion equation
223,074.08 : 307,838.40 = 122,471.36 : x - Step 2: Convert to fraction form
223,074.08/307,838.40 = 122,471.36/x - Step 3: Cross multiply
223,074.08x = 307,838.40 × 122,471.36 - Step 4: Simplify right side
223,074.08x = 37,701,387,508.22 - Step 5: Solve for x
x = 37,701,387,508.22/223,074.08 - Step 6: Final answer
x = 169,008.37
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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.