Finding the Fourth Proportional to 168,791.08, 252,963.06 and 89,735.08
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Solution
The fourth proportional to 168,791.08, 252,963.06 and 89,735.08 is: 134,483.77
Step by Step Solution
- Step 1: Write the proportion equation
168,791.08 : 252,963.06 = 89,735.08 : x - Step 2: Convert to fraction form
168,791.08/252,963.06 = 89,735.08/x - Step 3: Cross multiply
168,791.08x = 252,963.06 × 89,735.08 - Step 4: Simplify right side
168,791.08x = 22,699,660,426.14 - Step 5: Solve for x
x = 22,699,660,426.14/168,791.08 - Step 6: Final answer
x = 134,483.77
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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.