Finding the Fourth Proportional to 248,458.06, 342,846.35 and 139,574.62
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Solution
The fourth proportional to 248,458.06, 342,846.35 and 139,574.62 is: 192,598.49
Step by Step Solution
- Step 1: Write the proportion equation
248,458.06 : 342,846.35 = 139,574.62 : x - Step 2: Convert to fraction form
248,458.06/342,846.35 = 139,574.62/x - Step 3: Cross multiply
248,458.06x = 342,846.35 × 139,574.62 - Step 4: Simplify right side
248,458.06x = 47,852,647,305.41 - Step 5: Solve for x
x = 47,852,647,305.41/248,458.06 - Step 6: Final answer
x = 192,598.49
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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.