Finding the Fourth Proportional to 531,745.58, 733,817.65 and 290,028.17
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Solution
The fourth proportional to 531,745.58, 733,817.65 and 290,028.17 is: 400,243.65
Step by Step Solution
- Step 1: Write the proportion equation
531,745.58 : 733,817.65 = 290,028.17 : x - Step 2: Convert to fraction form
531,745.58/733,817.65 = 290,028.17/x - Step 3: Cross multiply
531,745.58x = 733,817.65 × 290,028.17 - Step 4: Simplify right side
531,745.58x = 212,827,790,143.20 - Step 5: Solve for x
x = 212,827,790,143.20/531,745.58 - Step 6: Final answer
x = 400,243.65
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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.