Finding the Fourth Proportional to 866,605.38, 1,299,645.60 and 235,437.18
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Solution
The fourth proportional to 866,605.38, 1,299,645.60 and 235,437.18 is: 353,084.46
Step by Step Solution
- Step 1: Write the proportion equation
866,605.38 : 1,299,645.60 = 235,437.18 : x - Step 2: Convert to fraction form
866,605.38/1,299,645.60 = 235,437.18/x - Step 3: Cross multiply
866,605.38x = 1,299,645.60 × 235,437.18 - Step 4: Simplify right side
866,605.38x = 305,984,895,063.41 - Step 5: Solve for x
x = 305,984,895,063.41/866,605.38 - Step 6: Final answer
x = 353,084.46
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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.