Finding the Fourth Proportional to 261,171.88, 360,230.48 and 239,729.70
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Solution
The fourth proportional to 261,171.88, 360,230.48 and 239,729.70 is: 330,655.60
Step by Step Solution
- Step 1: Write the proportion equation
261,171.88 : 360,230.48 = 239,729.70 : x - Step 2: Convert to fraction form
261,171.88/360,230.48 = 239,729.70/x - Step 3: Cross multiply
261,171.88x = 360,230.48 × 239,729.70 - Step 4: Simplify right side
261,171.88x = 86,357,944,901.26 - Step 5: Solve for x
x = 86,357,944,901.26/261,171.88 - Step 6: Final answer
x = 330,655.60
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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.