Finding the Fourth Proportional to 218,203.91, 301,094.94 and 121,384.88
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Solution
The fourth proportional to 218,203.91, 301,094.94 and 121,384.88 is: 167,496.42
Step by Step Solution
- Step 1: Write the proportion equation
218,203.91 : 301,094.94 = 121,384.88 : x - Step 2: Convert to fraction form
218,203.91/301,094.94 = 121,384.88/x - Step 3: Cross multiply
218,203.91x = 301,094.94 × 121,384.88 - Step 4: Simplify right side
218,203.91x = 36,548,373,913.24 - Step 5: Solve for x
x = 36,548,373,913.24/218,203.91 - Step 6: Final answer
x = 167,496.42
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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.