Finding the Fourth Proportional to 184,543.81, 254,670.45 and 99,660.87
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Solution
The fourth proportional to 184,543.81, 254,670.45 and 99,660.87 is: 137,531.99
Step by Step Solution
- Step 1: Write the proportion equation
184,543.81 : 254,670.45 = 99,660.87 : x - Step 2: Convert to fraction form
184,543.81/254,670.45 = 99,660.87/x - Step 3: Cross multiply
184,543.81x = 254,670.45 × 99,660.87 - Step 4: Simplify right side
184,543.81x = 25,380,676,838.63 - Step 5: Solve for x
x = 25,380,676,838.63/184,543.81 - Step 6: Final answer
x = 137,531.99
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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.