Finding the Fourth Proportional to 248,878.08, 343,468.08 and 141,448.32
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Solution
The fourth proportional to 248,878.08, 343,468.08 and 141,448.32 is: 195,207.96
Step by Step Solution
- Step 1: Write the proportion equation
248,878.08 : 343,468.08 = 141,448.32 : x - Step 2: Convert to fraction form
248,878.08/343,468.08 = 141,448.32/x - Step 3: Cross multiply
248,878.08x = 343,468.08 × 141,448.32 - Step 4: Simplify right side
248,878.08x = 48,582,982,889.63 - Step 5: Solve for x
x = 48,582,982,889.63/248,878.08 - Step 6: Final answer
x = 195,207.96
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1.5x scale
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.