Finding the Fourth Proportional to 221,111.11, 305,141.49 and 125,633.98
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Solution
The fourth proportional to 221,111.11, 305,141.49 and 125,633.98 is: 173,379.53
Step by Step Solution
- Step 1: Write the proportion equation
221,111.11 : 305,141.49 = 125,633.98 : x - Step 2: Convert to fraction form
221,111.11/305,141.49 = 125,633.98/x - Step 3: Cross multiply
221,111.11x = 305,141.49 × 125,633.98 - Step 4: Simplify right side
221,111.11x = 38,336,139,851.83 - Step 5: Solve for x
x = 38,336,139,851.83/221,111.11 - Step 6: Final answer
x = 173,379.53
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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.