Finding the Fourth Proportional to 218,296.80, 301,267.08 and 122,797.80
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Solution
The fourth proportional to 218,296.80, 301,267.08 and 122,797.80 is: 169,470.81
Step by Step Solution
- Step 1: Write the proportion equation
218,296.80 : 301,267.08 = 122,797.80 : x - Step 2: Convert to fraction form
218,296.80/301,267.08 = 122,797.80/x - Step 3: Cross multiply
218,296.80x = 301,267.08 × 122,797.80 - Step 4: Simplify right side
218,296.80x = 36,994,934,636.42 - Step 5: Solve for x
x = 36,994,934,636.42/218,296.80 - Step 6: Final answer
x = 169,470.81
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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.