Finding the Fourth Proportional to 281,394.52, 388,324.44 and 154,070.08
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Solution
The fourth proportional to 281,394.52, 388,324.44 and 154,070.08 is: 212,616.71
Step by Step Solution
- Step 1: Write the proportion equation
281,394.52 : 388,324.44 = 154,070.08 : x - Step 2: Convert to fraction form
281,394.52/388,324.44 = 154,070.08/x - Step 3: Cross multiply
281,394.52x = 388,324.44 × 154,070.08 - Step 4: Simplify right side
281,394.52x = 59,829,177,536.76 - Step 5: Solve for x
x = 59,829,177,536.76/281,394.52 - Step 6: Final answer
x = 212,616.71
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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.