Finding the Fourth Proportional to 257,575.64, 355,626.96 and 160,926.62
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Solution
The fourth proportional to 257,575.64, 355,626.96 and 160,926.62 is: 222,186.56
Step by Step Solution
- Step 1: Write the proportion equation
257,575.64 : 355,626.96 = 160,926.62 : x - Step 2: Convert to fraction form
257,575.64/355,626.96 = 160,926.62/x - Step 3: Cross multiply
257,575.64x = 355,626.96 × 160,926.62 - Step 4: Simplify right side
257,575.64x = 57,229,844,653.68 - Step 5: Solve for x
x = 57,229,844,653.68/257,575.64 - Step 6: Final answer
x = 222,186.56
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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.