Finding the Fourth Proportional to 215,379.06, 297,484.28 and 157,935.48
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Solution
The fourth proportional to 215,379.06, 297,484.28 and 157,935.48 is: 218,142.48
Step by Step Solution
- Step 1: Write the proportion equation
215,379.06 : 297,484.28 = 157,935.48 : x - Step 2: Convert to fraction form
215,379.06/297,484.28 = 157,935.48/x - Step 3: Cross multiply
215,379.06x = 297,484.28 × 157,935.48 - Step 4: Simplify right side
215,379.06x = 46,983,322,554.25 - Step 5: Solve for x
x = 46,983,322,554.25/215,379.06 - Step 6: Final answer
x = 218,142.48
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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.