Finding the Fourth Proportional to 218,424.08, 301,392.72 and 122,925.08
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Solution
The fourth proportional to 218,424.08, 301,392.72 and 122,925.08 is: 169,618.31
Step by Step Solution
- Step 1: Write the proportion equation
218,424.08 : 301,392.72 = 122,925.08 : x - Step 2: Convert to fraction form
218,424.08/301,392.72 = 122,925.08/x - Step 3: Cross multiply
218,424.08x = 301,392.72 × 122,925.08 - Step 4: Simplify right side
218,424.08x = 37,048,724,217.42 - Step 5: Solve for x
x = 37,048,724,217.42/218,424.08 - Step 6: Final answer
x = 169,618.31
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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.