Finding the Fourth Proportional to 246,044.64, 339,471.36 and 138,577.12
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Solution
The fourth proportional to 246,044.64, 339,471.36 and 138,577.12 is: 191,196.86
Step by Step Solution
- Step 1: Write the proportion equation
246,044.64 : 339,471.36 = 138,577.12 : x - Step 2: Convert to fraction form
246,044.64/339,471.36 = 138,577.12/x - Step 3: Cross multiply
246,044.64x = 339,471.36 × 138,577.12 - Step 4: Simplify right side
246,044.64x = 47,042,963,391.28 - Step 5: Solve for x
x = 47,042,963,391.28/246,044.64 - Step 6: Final answer
x = 191,196.86
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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.