Finding the Fourth Proportional to 245,067.84, 338,168.16 and 164,478.96
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Solution
The fourth proportional to 245,067.84, 338,168.16 and 164,478.96 is: 226,963.88
Step by Step Solution
- Step 1: Write the proportion equation
245,067.84 : 338,168.16 = 164,478.96 : x - Step 2: Convert to fraction form
245,067.84/338,168.16 = 164,478.96/x - Step 3: Cross multiply
245,067.84x = 338,168.16 × 164,478.96 - Step 4: Simplify right side
245,067.84x = 55,621,547,261.91 - Step 5: Solve for x
x = 55,621,547,261.91/245,067.84 - Step 6: Final answer
x = 226,963.88
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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.