Finding the Fourth Proportional to 218,423.08, 301,391.34 and 122,924.08
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Solution
The fourth proportional to 218,423.08, 301,391.34 and 122,924.08 is: 169,616.93
Step by Step Solution
- Step 1: Write the proportion equation
218,423.08 : 301,391.34 = 122,924.08 : x - Step 2: Convert to fraction form
218,423.08/301,391.34 = 122,924.08/x - Step 3: Cross multiply
218,423.08x = 301,391.34 × 122,924.08 - Step 4: Simplify right side
218,423.08x = 37,048,253,189.47 - Step 5: Solve for x
x = 37,048,253,189.47/218,423.08 - Step 6: Final answer
x = 169,616.93
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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.