Finding the Fourth Proportional to 286,591.44, 395,466.12 and 159,246.48
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Solution
The fourth proportional to 286,591.44, 395,466.12 and 159,246.48 is: 219,743.44
Step by Step Solution
- Step 1: Write the proportion equation
286,591.44 : 395,466.12 = 159,246.48 : x - Step 2: Convert to fraction form
286,591.44/395,466.12 = 159,246.48/x - Step 3: Cross multiply
286,591.44x = 395,466.12 × 159,246.48 - Step 4: Simplify right side
286,591.44x = 62,976,587,569.26 - Step 5: Solve for x
x = 62,976,587,569.26/286,591.44 - Step 6: Final answer
x = 219,743.44
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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.