Finding the Fourth Proportional to 199,242.84, 274,932.99 and 118,659.18
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Solution
The fourth proportional to 199,242.84, 274,932.99 and 118,659.18 is: 163,736.49
Step by Step Solution
- Step 1: Write the proportion equation
199,242.84 : 274,932.99 = 118,659.18 : x - Step 2: Convert to fraction form
199,242.84/274,932.99 = 118,659.18/x - Step 3: Cross multiply
199,242.84x = 274,932.99 × 118,659.18 - Step 4: Simplify right side
199,242.84x = 32,623,323,148.35 - Step 5: Solve for x
x = 32,623,323,148.35/199,242.84 - Step 6: Final answer
x = 163,736.49
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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.