Finding the Fourth Proportional to 318,548.36, 478,117.92 and 160,887.44
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Solution
The fourth proportional to 318,548.36, 478,117.92 and 160,887.44 is: 241,480.35
Step by Step Solution
- Step 1: Write the proportion equation
318,548.36 : 478,117.92 = 160,887.44 : x - Step 2: Convert to fraction form
318,548.36/478,117.92 = 160,887.44/x - Step 3: Cross multiply
318,548.36x = 478,117.92 × 160,887.44 - Step 4: Simplify right side
318,548.36x = 76,923,168,166.92 - Step 5: Solve for x
x = 76,923,168,166.92/318,548.36 - Step 6: Final answer
x = 241,480.35
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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.