Finding the Fourth Proportional to 403,885.47, 557,339.19 and 222,596.84
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Solution
The fourth proportional to 403,885.47, 557,339.19 and 222,596.84 is: 307,171.09
Step by Step Solution
- Step 1: Write the proportion equation
403,885.47 : 557,339.19 = 222,596.84 : x - Step 2: Convert to fraction form
403,885.47/557,339.19 = 222,596.84/x - Step 3: Cross multiply
403,885.47x = 557,339.19 × 222,596.84 - Step 4: Simplify right side
403,885.47x = 124,061,939,715.46 - Step 5: Solve for x
x = 124,061,939,715.46/403,885.47 - Step 6: Final answer
x = 307,171.09
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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.