Finding the Fourth Proportional to 257,046.69, 354,675.18 and 166,390.08
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Solution
The fourth proportional to 257,046.69, 354,675.18 and 166,390.08 is: 229,586.43
Step by Step Solution
- Step 1: Write the proportion equation
257,046.69 : 354,675.18 = 166,390.08 : x - Step 2: Convert to fraction form
257,046.69/354,675.18 = 166,390.08/x - Step 3: Cross multiply
257,046.69x = 354,675.18 × 166,390.08 - Step 4: Simplify right side
257,046.69x = 59,014,431,574.21 - Step 5: Solve for x
x = 59,014,431,574.21/257,046.69 - Step 6: Final answer
x = 229,586.43
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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.