Finding the Fourth Proportional to 272,025.80, 408,038.70 and 266,193.80
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Solution
The fourth proportional to 272,025.80, 408,038.70 and 266,193.80 is: 399,290.70
Step by Step Solution
- Step 1: Write the proportion equation
272,025.80 : 408,038.70 = 266,193.80 : x - Step 2: Convert to fraction form
272,025.80/408,038.70 = 266,193.80/x - Step 3: Cross multiply
272,025.80x = 408,038.70 × 266,193.80 - Step 4: Simplify right side
272,025.80x = 108,617,372,100.06 - Step 5: Solve for x
x = 108,617,372,100.06/272,025.80 - Step 6: Final answer
x = 399,290.70
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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.