Finding the Fourth Proportional to 161,313.84, 222,642.36 and 93,322.80
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Solution
The fourth proportional to 161,313.84, 222,642.36 and 93,322.80 is: 128,802.39
Step by Step Solution
- Step 1: Write the proportion equation
161,313.84 : 222,642.36 = 93,322.80 : x - Step 2: Convert to fraction form
161,313.84/222,642.36 = 93,322.80/x - Step 3: Cross multiply
161,313.84x = 222,642.36 × 93,322.80 - Step 4: Simplify right side
161,313.84x = 20,777,608,433.81 - Step 5: Solve for x
x = 20,777,608,433.81/161,313.84 - Step 6: Final answer
x = 128,802.39
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1.5x scale
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.