Finding the Fourth Proportional to 163,139.68, 244,377.36 and 149,531.68
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Solution
The fourth proportional to 163,139.68, 244,377.36 and 149,531.68 is: 223,993.07
Step by Step Solution
- Step 1: Write the proportion equation
163,139.68 : 244,377.36 = 149,531.68 : x - Step 2: Convert to fraction form
163,139.68/244,377.36 = 149,531.68/x - Step 3: Cross multiply
163,139.68x = 244,377.36 × 149,531.68 - Step 4: Simplify right side
163,139.68x = 36,542,157,194.76 - Step 5: Solve for x
x = 36,542,157,194.76/163,139.68 - Step 6: Final answer
x = 223,993.07
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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.