Finding the Fourth Proportional to 272,950.63, 408,816.59 and 209,301.98
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Solution
The fourth proportional to 272,950.63, 408,816.59 and 209,301.98 is: 313,485.70
Step by Step Solution
- Step 1: Write the proportion equation
272,950.63 : 408,816.59 = 209,301.98 : x - Step 2: Convert to fraction form
272,950.63/408,816.59 = 209,301.98/x - Step 3: Cross multiply
272,950.63x = 408,816.59 × 209,301.98 - Step 4: Simplify right side
272,950.63x = 85,566,118,653.26 - Step 5: Solve for x
x = 85,566,118,653.26/272,950.63 - Step 6: Final answer
x = 313,485.70
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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.