Finding the Fourth Proportional to 301,990.84, 416,736.74 and 166,023.81
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Solution
The fourth proportional to 301,990.84, 416,736.74 and 166,023.81 is: 229,107.02
Step by Step Solution
- Step 1: Write the proportion equation
301,990.84 : 416,736.74 = 166,023.81 : x - Step 2: Convert to fraction form
301,990.84/416,736.74 = 166,023.81/x - Step 3: Cross multiply
301,990.84x = 416,736.74 × 166,023.81 - Step 4: Simplify right side
301,990.84x = 69,188,221,341.78 - Step 5: Solve for x
x = 69,188,221,341.78/301,990.84 - Step 6: Final answer
x = 229,107.02
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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.