Finding the Fourth Proportional to 190,472.82, 285,706.32 and 46,379.99
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Solution
The fourth proportional to 190,472.82, 285,706.32 and 46,379.99 is: 69,569.28
Step by Step Solution
- Step 1: Write the proportion equation
190,472.82 : 285,706.32 = 46,379.99 : x - Step 2: Convert to fraction form
190,472.82/285,706.32 = 46,379.99/x - Step 3: Cross multiply
190,472.82x = 285,706.32 × 46,379.99 - Step 4: Simplify right side
190,472.82x = 13,251,056,264.54 - Step 5: Solve for x
x = 13,251,056,264.54/190,472.82 - Step 6: Final answer
x = 69,569.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.