Finding the Fourth Proportional to 486,115.43, 670,873.19 and 271,259.08
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Solution
The fourth proportional to 486,115.43, 670,873.19 and 271,259.08 is: 374,356.44
Step by Step Solution
- Step 1: Write the proportion equation
486,115.43 : 670,873.19 = 271,259.08 : x - Step 2: Convert to fraction form
486,115.43/670,873.19 = 271,259.08/x - Step 3: Cross multiply
486,115.43x = 670,873.19 × 271,259.08 - Step 4: Simplify right side
486,115.43x = 181,980,441,282.59 - Step 5: Solve for x
x = 181,980,441,282.59/486,115.43 - Step 6: Final answer
x = 374,356.44
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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.