Finding the Fourth Proportional to 248,664.08, 343,146.80 and 135,487.68
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Solution
The fourth proportional to 248,664.08, 343,146.80 and 135,487.68 is: 186,967.75
Step by Step Solution
- Step 1: Write the proportion equation
248,664.08 : 343,146.80 = 135,487.68 : x - Step 2: Convert to fraction form
248,664.08/343,146.80 = 135,487.68/x - Step 3: Cross multiply
248,664.08x = 343,146.80 × 135,487.68 - Step 4: Simplify right side
248,664.08x = 46,492,163,831.42 - Step 5: Solve for x
x = 46,492,163,831.42/248,664.08 - Step 6: Final answer
x = 186,967.75
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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.