Finding the Fourth Proportional to 166,449.05, 229,703.75 and 101,038.65
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Solution
The fourth proportional to 166,449.05, 229,703.75 and 101,038.65 is: 139,435.80
Step by Step Solution
- Step 1: Write the proportion equation
166,449.05 : 229,703.75 = 101,038.65 : x - Step 2: Convert to fraction form
166,449.05/229,703.75 = 101,038.65/x - Step 3: Cross multiply
166,449.05x = 229,703.75 × 101,038.65 - Step 4: Simplify right side
166,449.05x = 23,208,956,799.94 - Step 5: Solve for x
x = 23,208,956,799.94/166,449.05 - Step 6: Final answer
x = 139,435.80
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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.