Finding the Fourth Proportional to 205,383.95, 283,026.08 and 157,040.62
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Solution
The fourth proportional to 205,383.95, 283,026.08 and 157,040.62 is: 216,407.32
Step by Step Solution
- Step 1: Write the proportion equation
205,383.95 : 283,026.08 = 157,040.62 : x - Step 2: Convert to fraction form
205,383.95/283,026.08 = 157,040.62/x - Step 3: Cross multiply
205,383.95x = 283,026.08 × 157,040.62 - Step 4: Simplify right side
205,383.95x = 44,446,591,079.37 - Step 5: Solve for x
x = 44,446,591,079.37/205,383.95 - Step 6: Final answer
x = 216,407.32
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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.