Finding the Fourth Proportional to 266,461.98, 398,976.74 and 202,979.70
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Solution
The fourth proportional to 266,461.98, 398,976.74 and 202,979.70 is: 303,923.96
Step by Step Solution
- Step 1: Write the proportion equation
266,461.98 : 398,976.74 = 202,979.70 : x - Step 2: Convert to fraction form
266,461.98/398,976.74 = 202,979.70/x - Step 3: Cross multiply
266,461.98x = 398,976.74 × 202,979.70 - Step 4: Simplify right side
266,461.98x = 80,984,178,992.18 - Step 5: Solve for x
x = 80,984,178,992.18/266,461.98 - Step 6: Final answer
x = 303,923.96
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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.