Finding the Fourth Proportional to 346,489.97, 478,163.99 and 203,353.25
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Solution
The fourth proportional to 346,489.97, 478,163.99 and 203,353.25 is: 280,632.08
Step by Step Solution
- Step 1: Write the proportion equation
346,489.97 : 478,163.99 = 203,353.25 : x - Step 2: Convert to fraction form
346,489.97/478,163.99 = 203,353.25/x - Step 3: Cross multiply
346,489.97x = 478,163.99 × 203,353.25 - Step 4: Simplify right side
346,489.97x = 97,236,199,517.03 - Step 5: Solve for x
x = 97,236,199,517.03/346,489.97 - Step 6: Final answer
x = 280,632.08
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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.