Finding the Fourth Proportional to 165,356.96, 248,029.88 and 71,862.72
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Solution
The fourth proportional to 165,356.96, 248,029.88 and 71,862.72 is: 107,791.66
Step by Step Solution
- Step 1: Write the proportion equation
165,356.96 : 248,029.88 = 71,862.72 : x - Step 2: Convert to fraction form
165,356.96/248,029.88 = 71,862.72/x - Step 3: Cross multiply
165,356.96x = 248,029.88 × 71,862.72 - Step 4: Simplify right side
165,356.96x = 17,824,101,818.07 - Step 5: Solve for x
x = 17,824,101,818.07/165,356.96 - Step 6: Final answer
x = 107,791.66
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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.