Finding the Fourth Proportional to 409,343.80, 614,015.70 and 125,033.80
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Solution
The fourth proportional to 409,343.80, 614,015.70 and 125,033.80 is: 187,550.70
Step by Step Solution
- Step 1: Write the proportion equation
409,343.80 : 614,015.70 = 125,033.80 : x - Step 2: Convert to fraction form
409,343.80/614,015.70 = 125,033.80/x - Step 3: Cross multiply
409,343.80x = 614,015.70 × 125,033.80 - Step 4: Simplify right side
409,343.80x = 76,772,716,230.66 - Step 5: Solve for x
x = 76,772,716,230.66/409,343.80 - Step 6: Final answer
x = 187,550.70
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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.