Finding the Fourth Proportional to 199,805.94, 275,744.52 and 114,921.18
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Solution
The fourth proportional to 199,805.94, 275,744.52 and 114,921.18 is: 158,598.32
Step by Step Solution
- Step 1: Write the proportion equation
199,805.94 : 275,744.52 = 114,921.18 : x - Step 2: Convert to fraction form
199,805.94/275,744.52 = 114,921.18/x - Step 3: Cross multiply
199,805.94x = 275,744.52 × 114,921.18 - Step 4: Simplify right side
199,805.94x = 31,688,885,616.93 - Step 5: Solve for x
x = 31,688,885,616.93/199,805.94 - Step 6: Final answer
x = 158,598.32
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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.