Finding the Fourth Proportional to 286,649.52, 395,577.84 and 159,336.96
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Solution
The fourth proportional to 286,649.52, 395,577.84 and 159,336.96 is: 219,885.84
Step by Step Solution
- Step 1: Write the proportion equation
286,649.52 : 395,577.84 = 159,336.96 : x - Step 2: Convert to fraction form
286,649.52/395,577.84 = 159,336.96/x - Step 3: Cross multiply
286,649.52x = 395,577.84 × 159,336.96 - Step 4: Simplify right side
286,649.52x = 63,030,170,468.97 - Step 5: Solve for x
x = 63,030,170,468.97/286,649.52 - Step 6: Final answer
x = 219,885.84
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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.