Finding the Fourth Proportional to 404,827.84, 558,711.68 and 235,061.98
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Solution
The fourth proportional to 404,827.84, 558,711.68 and 235,061.98 is: 324,414.14
Step by Step Solution
- Step 1: Write the proportion equation
404,827.84 : 558,711.68 = 235,061.98 : x - Step 2: Convert to fraction form
404,827.84/558,711.68 = 235,061.98/x - Step 3: Cross multiply
404,827.84x = 558,711.68 × 235,061.98 - Step 4: Simplify right side
404,827.84x = 131,331,873,749.93 - Step 5: Solve for x
x = 131,331,873,749.93/404,827.84 - Step 6: Final answer
x = 324,414.14
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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.