Finding the Fourth Proportional to 265,585.26, 398,495.48 and 139,195.38
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Solution
The fourth proportional to 265,585.26, 398,495.48 and 139,195.38 is: 208,854.70
Step by Step Solution
- Step 1: Write the proportion equation
265,585.26 : 398,495.48 = 139,195.38 : x - Step 2: Convert to fraction form
265,585.26/398,495.48 = 139,195.38/x - Step 3: Cross multiply
265,585.26x = 398,495.48 × 139,195.38 - Step 4: Simplify right side
265,585.26x = 55,468,729,070.91 - Step 5: Solve for x
x = 55,468,729,070.91/265,585.26 - Step 6: Final answer
x = 208,854.70
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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.