Finding the Fourth Proportional to 307,727.35, 424,888.71 and 198,896.09
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Solution
The fourth proportional to 307,727.35, 424,888.71 and 198,896.09 is: 274,622.00
Step by Step Solution
- Step 1: Write the proportion equation
307,727.35 : 424,888.71 = 198,896.09 : x - Step 2: Convert to fraction form
307,727.35/424,888.71 = 198,896.09/x - Step 3: Cross multiply
307,727.35x = 424,888.71 × 198,896.09 - Step 4: Simplify right side
307,727.35x = 84,508,700,233.84 - Step 5: Solve for x
x = 84,508,700,233.84/307,727.35 - Step 6: Final answer
x = 274,622.00
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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.