Finding the Fourth Proportional to 314,452.08, 434,213.55 and 304,284.15
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Solution
The fourth proportional to 314,452.08, 434,213.55 and 304,284.15 is: 420,173.09
Step by Step Solution
- Step 1: Write the proportion equation
314,452.08 : 434,213.55 = 304,284.15 : x - Step 2: Convert to fraction form
314,452.08/434,213.55 = 304,284.15/x - Step 3: Cross multiply
314,452.08x = 434,213.55 × 304,284.15 - Step 4: Simplify right side
314,452.08x = 132,124,300,980.23 - Step 5: Solve for x
x = 132,124,300,980.23/314,452.08 - Step 6: Final answer
x = 420,173.09
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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.