Finding the Fourth Proportional to 439,213.08, 606,114.36 and 238,009.08
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Solution
The fourth proportional to 439,213.08, 606,114.36 and 238,009.08 is: 328,452.70
Step by Step Solution
- Step 1: Write the proportion equation
439,213.08 : 606,114.36 = 238,009.08 : x - Step 2: Convert to fraction form
439,213.08/606,114.36 = 238,009.08/x - Step 3: Cross multiply
439,213.08x = 606,114.36 × 238,009.08 - Step 4: Simplify right side
439,213.08x = 144,260,721,198.39 - Step 5: Solve for x
x = 144,260,721,198.39/439,213.08 - Step 6: Final answer
x = 328,452.70
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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.