Finding the Fourth Proportional to 319,182.26, 440,471.40 and 175,944.72
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Solution
The fourth proportional to 319,182.26, 440,471.40 and 175,944.72 is: 242,803.65
Step by Step Solution
- Step 1: Write the proportion equation
319,182.26 : 440,471.40 = 175,944.72 : x - Step 2: Convert to fraction form
319,182.26/440,471.40 = 175,944.72/x - Step 3: Cross multiply
319,182.26x = 440,471.40 × 175,944.72 - Step 4: Simplify right side
319,182.26x = 77,498,617,141.01 - Step 5: Solve for x
x = 77,498,617,141.01/319,182.26 - Step 6: Final answer
x = 242,803.65
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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.