Finding the Fourth Proportional to 277,964.55, 416,954.93 and 100,440.09
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Solution
The fourth proportional to 277,964.55, 416,954.93 and 100,440.09 is: 150,663.06
Step by Step Solution
- Step 1: Write the proportion equation
277,964.55 : 416,954.93 = 100,440.09 : x - Step 2: Convert to fraction form
277,964.55/416,954.93 = 100,440.09/x - Step 3: Cross multiply
277,964.55x = 416,954.93 × 100,440.09 - Step 4: Simplify right side
277,964.55x = 41,878,990,695.14 - Step 5: Solve for x
x = 41,878,990,695.14/277,964.55 - Step 6: Final answer
x = 150,663.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.