Finding the Fourth Proportional to 691,203.30, 1,036,804.95 and 192,567.30
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Solution
The fourth proportional to 691,203.30, 1,036,804.95 and 192,567.30 is: 288,850.95
Step by Step Solution
- Step 1: Write the proportion equation
691,203.30 : 1,036,804.95 = 192,567.30 : x - Step 2: Convert to fraction form
691,203.30/1,036,804.95 = 192,567.30/x - Step 3: Cross multiply
691,203.30x = 1,036,804.95 × 192,567.30 - Step 4: Simplify right side
691,203.30x = 199,654,729,848.14 - Step 5: Solve for x
x = 199,654,729,848.14/691,203.30 - Step 6: Final answer
x = 288,850.95
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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.