Finding the Fourth Proportional to 228,394.97, 315,177.02 and 126,420.63
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Solution
The fourth proportional to 228,394.97, 315,177.02 and 126,420.63 is: 174,456.01
Step by Step Solution
- Step 1: Write the proportion equation
228,394.97 : 315,177.02 = 126,420.63 : x - Step 2: Convert to fraction form
228,394.97/315,177.02 = 126,420.63/x - Step 3: Cross multiply
228,394.97x = 315,177.02 × 126,420.63 - Step 4: Simplify right side
228,394.97x = 39,844,876,089.98 - Step 5: Solve for x
x = 39,844,876,089.98/228,394.97 - Step 6: Final answer
x = 174,456.01
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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.