Finding the Fourth Proportional to 373,263.30, 515,111.09 and 209,922.93
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Solution
The fourth proportional to 373,263.30, 515,111.09 and 209,922.93 is: 289,697.99
Step by Step Solution
- Step 1: Write the proportion equation
373,263.30 : 515,111.09 = 209,922.93 : x - Step 2: Convert to fraction form
373,263.30/515,111.09 = 209,922.93/x - Step 3: Cross multiply
373,263.30x = 515,111.09 × 209,922.93 - Step 4: Simplify right side
373,263.30x = 108,133,629,288.29 - Step 5: Solve for x
x = 108,133,629,288.29/373,263.30 - Step 6: Final answer
x = 289,697.99
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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.