Finding the Fourth Proportional to 339,909.80, 509,864.70 and 182,445.80
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Solution
The fourth proportional to 339,909.80, 509,864.70 and 182,445.80 is: 273,668.70
Step by Step Solution
- Step 1: Write the proportion equation
339,909.80 : 509,864.70 = 182,445.80 : x - Step 2: Convert to fraction form
339,909.80/509,864.70 = 182,445.80/x - Step 3: Cross multiply
339,909.80x = 509,864.70 × 182,445.80 - Step 4: Simplify right side
339,909.80x = 93,022,673,083.26 - Step 5: Solve for x
x = 93,022,673,083.26/339,909.80 - Step 6: Final answer
x = 273,668.70
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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.