Finding the Fourth Proportional to 486,197.99, 670,990.34 and 268,448.66
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Solution
The fourth proportional to 486,197.99, 670,990.34 and 268,448.66 is: 370,479.64
Step by Step Solution
- Step 1: Write the proportion equation
486,197.99 : 670,990.34 = 268,448.66 : x - Step 2: Convert to fraction form
486,197.99/670,990.34 = 268,448.66/x - Step 3: Cross multiply
486,197.99x = 670,990.34 × 268,448.66 - Step 4: Simplify right side
486,197.99x = 180,126,457,645.94 - Step 5: Solve for x
x = 180,126,457,645.94/486,197.99 - Step 6: Final answer
x = 370,479.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.