Finding the Fourth Proportional to 301,752.71, 416,245.52 and 188,378.63
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Solution
The fourth proportional to 301,752.71, 416,245.52 and 188,378.63 is: 259,854.37
Step by Step Solution
- Step 1: Write the proportion equation
301,752.71 : 416,245.52 = 188,378.63 : x - Step 2: Convert to fraction form
301,752.71/416,245.52 = 188,378.63/x - Step 3: Cross multiply
301,752.71x = 416,245.52 × 188,378.63 - Step 4: Simplify right side
301,752.71x = 78,411,761,364.99 - Step 5: Solve for x
x = 78,411,761,364.99/301,752.71 - Step 6: Final answer
x = 259,854.37
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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.