Finding the Fourth Proportional to 292,579.73, 438,744.99 and 114,962.15
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Solution
The fourth proportional to 292,579.73, 438,744.99 and 114,962.15 is: 172,394.26
Step by Step Solution
- Step 1: Write the proportion equation
292,579.73 : 438,744.99 = 114,962.15 : x - Step 2: Convert to fraction form
292,579.73/438,744.99 = 114,962.15/x - Step 3: Cross multiply
292,579.73x = 438,744.99 × 114,962.15 - Step 4: Simplify right side
292,579.73x = 50,439,067,352.13 - Step 5: Solve for x
x = 50,439,067,352.13/292,579.73 - Step 6: Final answer
x = 172,394.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.