Finding the Fourth Proportional to 221,362.94, 305,479.41 and 125,869.63
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Solution
The fourth proportional to 221,362.94, 305,479.41 and 125,869.63 is: 173,699.27
Step by Step Solution
- Step 1: Write the proportion equation
221,362.94 : 305,479.41 = 125,869.63 : x - Step 2: Convert to fraction form
221,362.94/305,479.41 = 125,869.63/x - Step 3: Cross multiply
221,362.94x = 305,479.41 × 125,869.63 - Step 4: Simplify right side
221,362.94x = 38,450,580,309.32 - Step 5: Solve for x
x = 38,450,580,309.32/221,362.94 - Step 6: Final answer
x = 173,699.27
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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.