Finding the Fourth Proportional to 191,543.74, 264,330.75 and 106,663.84
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Solution
The fourth proportional to 191,543.74, 264,330.75 and 106,663.84 is: 147,196.32
Step by Step Solution
- Step 1: Write the proportion equation
191,543.74 : 264,330.75 = 106,663.84 : x - Step 2: Convert to fraction form
191,543.74/264,330.75 = 106,663.84/x - Step 3: Cross multiply
191,543.74x = 264,330.75 × 106,663.84 - Step 4: Simplify right side
191,543.74x = 28,194,532,825.08 - Step 5: Solve for x
x = 28,194,532,825.08/191,543.74 - Step 6: Final answer
x = 147,196.32
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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.