Finding the Fourth Proportional to 208,959.48, 288,352.44 and 122,905.08
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Solution
The fourth proportional to 208,959.48, 288,352.44 and 122,905.08 is: 169,602.16
Step by Step Solution
- Step 1: Write the proportion equation
208,959.48 : 288,352.44 = 122,905.08 : x - Step 2: Convert to fraction form
208,959.48/288,352.44 = 122,905.08/x - Step 3: Cross multiply
208,959.48x = 288,352.44 × 122,905.08 - Step 4: Simplify right side
208,959.48x = 35,439,979,706.40 - Step 5: Solve for x
x = 35,439,979,706.40/208,959.48 - Step 6: Final answer
x = 169,602.16
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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.