Finding the Fourth Proportional to 314,427.20, 471,208.80 and 201,761.60
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Solution
The fourth proportional to 314,427.20, 471,208.80 and 201,761.60 is: 302,365.19
Step by Step Solution
- Step 1: Write the proportion equation
314,427.20 : 471,208.80 = 201,761.60 : x - Step 2: Convert to fraction form
314,427.20/471,208.80 = 201,761.60/x - Step 3: Cross multiply
314,427.20x = 471,208.80 × 201,761.60 - Step 4: Simplify right side
314,427.20x = 95,071,841,422.08 - Step 5: Solve for x
x = 95,071,841,422.08/314,427.20 - Step 6: Final answer
x = 302,365.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.