Finding the Fourth Proportional to 188,422.74, 260,020.44 and 103,537.98
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Solution
The fourth proportional to 188,422.74, 260,020.44 and 103,537.98 is: 142,880.80
Step by Step Solution
- Step 1: Write the proportion equation
188,422.74 : 260,020.44 = 103,537.98 : x - Step 2: Convert to fraction form
188,422.74/260,020.44 = 103,537.98/x - Step 3: Cross multiply
188,422.74x = 260,020.44 × 103,537.98 - Step 4: Simplify right side
188,422.74x = 26,921,991,116.31 - Step 5: Solve for x
x = 26,921,991,116.31/188,422.74 - Step 6: Final answer
x = 142,880.80
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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.