Finding the Fourth Proportional to 191,283.74, 263,552.96 and 126,643.31
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Solution
The fourth proportional to 191,283.74, 263,552.96 and 126,643.31 is: 174,490.62
Step by Step Solution
- Step 1: Write the proportion equation
191,283.74 : 263,552.96 = 126,643.31 : x - Step 2: Convert to fraction form
191,283.74/263,552.96 = 126,643.31/x - Step 3: Cross multiply
191,283.74x = 263,552.96 × 126,643.31 - Step 4: Simplify right side
191,283.74x = 33,377,217,263.72 - Step 5: Solve for x
x = 33,377,217,263.72/191,283.74 - Step 6: Final answer
x = 174,490.62
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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.