Finding the Fourth Proportional to 272,871.99, 408,552.26 and 139,464.99
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Solution
The fourth proportional to 272,871.99, 408,552.26 and 139,464.99 is: 208,811.23
Step by Step Solution
- Step 1: Write the proportion equation
272,871.99 : 408,552.26 = 139,464.99 : x - Step 2: Convert to fraction form
272,871.99/408,552.26 = 139,464.99/x - Step 3: Cross multiply
272,871.99x = 408,552.26 × 139,464.99 - Step 4: Simplify right side
272,871.99x = 56,978,736,158.05 - Step 5: Solve for x
x = 56,978,736,158.05/272,871.99 - Step 6: Final answer
x = 208,811.23
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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.