Finding the Fourth Proportional to 286,534.26, 395,419.62 and 179,166.53
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Solution
The fourth proportional to 286,534.26, 395,419.62 and 179,166.53 is: 247,251.28
Step by Step Solution
- Step 1: Write the proportion equation
286,534.26 : 395,419.62 = 179,166.53 : x - Step 2: Convert to fraction form
286,534.26/395,419.62 = 179,166.53/x - Step 3: Cross multiply
286,534.26x = 395,419.62 × 179,166.53 - Step 4: Simplify right side
286,534.26x = 70,845,962,869.74 - Step 5: Solve for x
x = 70,845,962,869.74/286,534.26 - Step 6: Final answer
x = 247,251.28
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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.