Finding the Fourth Proportional to 272,457.09, 408,482.02 and 187,976.19
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Solution
The fourth proportional to 272,457.09, 408,482.02 and 187,976.19 is: 281,823.81
Step by Step Solution
- Step 1: Write the proportion equation
272,457.09 : 408,482.02 = 187,976.19 : x - Step 2: Convert to fraction form
272,457.09/408,482.02 = 187,976.19/x - Step 3: Cross multiply
272,457.09x = 408,482.02 × 187,976.19 - Step 4: Simplify right side
272,457.09x = 76,784,893,803.10 - Step 5: Solve for x
x = 76,784,893,803.10/272,457.09 - Step 6: Final answer
x = 281,823.81
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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.