Finding the Fourth Proportional to 235,608.58, 325,132.44 and 128,175.88
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Solution
The fourth proportional to 235,608.58, 325,132.44 and 128,175.88 is: 176,878.69
Step by Step Solution
- Step 1: Write the proportion equation
235,608.58 : 325,132.44 = 128,175.88 : x - Step 2: Convert to fraction form
235,608.58/325,132.44 = 128,175.88/x - Step 3: Cross multiply
235,608.58x = 325,132.44 × 128,175.88 - Step 4: Simplify right side
235,608.58x = 41,674,136,613.55 - Step 5: Solve for x
x = 41,674,136,613.55/235,608.58 - Step 6: Final answer
x = 176,878.69
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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.