Finding the Fourth Proportional to 872,235.37, 1,308,352.02 and 273,243.18
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Solution
The fourth proportional to 872,235.37, 1,308,352.02 and 273,243.18 is: 409,864.45
Step by Step Solution
- Step 1: Write the proportion equation
872,235.37 : 1,308,352.02 = 273,243.18 : x - Step 2: Convert to fraction form
872,235.37/1,308,352.02 = 273,243.18/x - Step 3: Cross multiply
872,235.37x = 1,308,352.02 × 273,243.18 - Step 4: Simplify right side
872,235.37x = 357,498,266,504.22 - Step 5: Solve for x
x = 357,498,266,504.22/872,235.37 - Step 6: Final answer
x = 409,864.45
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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.