Finding the Fourth Proportional to 373,816.96, 515,879.08 and 212,695.20
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Solution
The fourth proportional to 373,816.96, 515,879.08 and 212,695.20 is: 293,526.02
Step by Step Solution
- Step 1: Write the proportion equation
373,816.96 : 515,879.08 = 212,695.20 : x - Step 2: Convert to fraction form
373,816.96/515,879.08 = 212,695.20/x - Step 3: Cross multiply
373,816.96x = 515,879.08 × 212,695.20 - Step 4: Simplify right side
373,816.96x = 109,725,003,564.68 - Step 5: Solve for x
x = 109,725,003,564.68/373,816.96 - Step 6: Final answer
x = 293,526.02
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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.