Finding the Fourth Proportional to 272,035.66, 408,052.86 and 72,356.08
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Solution
The fourth proportional to 272,035.66, 408,052.86 and 72,356.08 is: 108,533.95
Step by Step Solution
- Step 1: Write the proportion equation
272,035.66 : 408,052.86 = 72,356.08 : x - Step 2: Convert to fraction form
272,035.66/408,052.86 = 72,356.08/x - Step 3: Cross multiply
272,035.66x = 408,052.86 × 72,356.08 - Step 4: Simplify right side
272,035.66x = 29,525,105,382.39 - Step 5: Solve for x
x = 29,525,105,382.39/272,035.66 - Step 6: Final answer
x = 108,533.95
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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.