Finding the Fourth Proportional to 264,927.80, 397,391.70 and 260,553.80
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Solution
The fourth proportional to 264,927.80, 397,391.70 and 260,553.80 is: 390,830.70
Step by Step Solution
- Step 1: Write the proportion equation
264,927.80 : 397,391.70 = 260,553.80 : x - Step 2: Convert to fraction form
264,927.80/397,391.70 = 260,553.80/x - Step 3: Cross multiply
264,927.80x = 397,391.70 × 260,553.80 - Step 4: Simplify right side
264,927.80x = 103,541,917,523.46 - Step 5: Solve for x
x = 103,541,917,523.46/264,927.80 - Step 6: Final answer
x = 390,830.70
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1.5x scale
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.