Finding the Fourth Proportional to 402,673.50, 604,010.25 and 107,185.50
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Solution
The fourth proportional to 402,673.50, 604,010.25 and 107,185.50 is: 160,778.25
Step by Step Solution
- Step 1: Write the proportion equation
402,673.50 : 604,010.25 = 107,185.50 : x - Step 2: Convert to fraction form
402,673.50/604,010.25 = 107,185.50/x - Step 3: Cross multiply
402,673.50x = 604,010.25 × 107,185.50 - Step 4: Simplify right side
402,673.50x = 64,741,140,651.38 - Step 5: Solve for x
x = 64,741,140,651.38/402,673.50 - Step 6: Final answer
x = 160,778.25
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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.