Finding the Fourth Proportional to 248,403.60, 342,794.88 and 135,226.08
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Solution
The fourth proportional to 248,403.60, 342,794.88 and 135,226.08 is: 186,610.85
Step by Step Solution
- Step 1: Write the proportion equation
248,403.60 : 342,794.88 = 135,226.08 : x - Step 2: Convert to fraction form
248,403.60/342,794.88 = 135,226.08/x - Step 3: Cross multiply
248,403.60x = 342,794.88 × 135,226.08 - Step 4: Simplify right side
248,403.60x = 46,354,807,866.47 - Step 5: Solve for x
x = 46,354,807,866.47/248,403.60 - Step 6: Final answer
x = 186,610.85
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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.