Finding the Fourth Proportional to 248,541.51, 342,991.08 and 135,364.26
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Solution
The fourth proportional to 248,541.51, 342,991.08 and 135,364.26 is: 186,804.75
Step by Step Solution
- Step 1: Write the proportion equation
248,541.51 : 342,991.08 = 135,364.26 : x - Step 2: Convert to fraction form
248,541.51/342,991.08 = 135,364.26/x - Step 3: Cross multiply
248,541.51x = 342,991.08 × 135,364.26 - Step 4: Simplify right side
248,541.51x = 46,428,733,730.80 - Step 5: Solve for x
x = 46,428,733,730.80/248,541.51 - Step 6: Final answer
x = 186,804.75
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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.