Finding the Fourth Proportional to 498,001.44, 687,237.60 and 271,642.08
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Solution
The fourth proportional to 498,001.44, 687,237.60 and 271,642.08 is: 374,863.68
Step by Step Solution
- Step 1: Write the proportion equation
498,001.44 : 687,237.60 = 271,642.08 : x - Step 2: Convert to fraction form
498,001.44/687,237.60 = 271,642.08/x - Step 3: Cross multiply
498,001.44x = 687,237.60 × 271,642.08 - Step 4: Simplify right side
498,001.44x = 186,682,651,118.21 - Step 5: Solve for x
x = 186,682,651,118.21/498,001.44 - Step 6: Final answer
x = 374,863.68
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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.