Finding the Fourth Proportional to 254,599.06, 351,352.26 and 139,879.18
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Solution
The fourth proportional to 254,599.06, 351,352.26 and 139,879.18 is: 193,036.32
Step by Step Solution
- Step 1: Write the proportion equation
254,599.06 : 351,352.26 = 139,879.18 : x - Step 2: Convert to fraction form
254,599.06/351,352.26 = 139,879.18/x - Step 3: Cross multiply
254,599.06x = 351,352.26 × 139,879.18 - Step 4: Simplify right side
254,599.06x = 49,146,866,019.95 - Step 5: Solve for x
x = 49,146,866,019.95/254,599.06 - Step 6: Final answer
x = 193,036.32
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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.