Finding the Fourth Proportional to 188,058.18, 282,184.26 and 124,921.92
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Solution
The fourth proportional to 188,058.18, 282,184.26 and 124,921.92 is: 187,447.31
Step by Step Solution
- Step 1: Write the proportion equation
188,058.18 : 282,184.26 = 124,921.92 : x - Step 2: Convert to fraction form
188,058.18/282,184.26 = 124,921.92/x - Step 3: Cross multiply
188,058.18x = 282,184.26 × 124,921.92 - Step 4: Simplify right side
188,058.18x = 35,250,999,552.98 - Step 5: Solve for x
x = 35,250,999,552.98/188,058.18 - Step 6: Final answer
x = 187,447.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.