Finding the Fourth Proportional to 275,484.80, 413,181.84 and 257,552.48
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Solution
The fourth proportional to 275,484.80, 413,181.84 and 257,552.48 is: 386,286.31
Step by Step Solution
- Step 1: Write the proportion equation
275,484.80 : 413,181.84 = 257,552.48 : x - Step 2: Convert to fraction form
275,484.80/413,181.84 = 257,552.48/x - Step 3: Cross multiply
275,484.80x = 413,181.84 × 257,552.48 - Step 4: Simplify right side
275,484.80x = 106,416,007,582.96 - Step 5: Solve for x
x = 106,416,007,582.96/275,484.80 - Step 6: Final answer
x = 386,286.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.