Finding the Fourth Proportional to 586,163.25, 808,905.29 and 331,508.97
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Solution
The fourth proportional to 586,163.25, 808,905.29 and 331,508.97 is: 457,482.38
Step by Step Solution
- Step 1: Write the proportion equation
586,163.25 : 808,905.29 = 331,508.97 : x - Step 2: Convert to fraction form
586,163.25/808,905.29 = 331,508.97/x - Step 3: Cross multiply
586,163.25x = 808,905.29 × 331,508.97 - Step 4: Simplify right side
586,163.25x = 268,159,357,857.91 - Step 5: Solve for x
x = 268,159,357,857.91/586,163.25 - Step 6: Final answer
x = 457,482.38
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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.