Finding the Fourth Proportional to 246,763.26, 340,530.66 and 139,326.88
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Solution
The fourth proportional to 246,763.26, 340,530.66 and 139,326.88 is: 192,269.60
Step by Step Solution
- Step 1: Write the proportion equation
246,763.26 : 340,530.66 = 139,326.88 : x - Step 2: Convert to fraction form
246,763.26/340,530.66 = 139,326.88/x - Step 3: Cross multiply
246,763.26x = 340,530.66 × 139,326.88 - Step 4: Simplify right side
246,763.26x = 47,445,074,402.14 - Step 5: Solve for x
x = 47,445,074,402.14/246,763.26 - Step 6: Final answer
x = 192,269.60
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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.