Finding the Fourth Proportional to 149,194.36, 205,818.68 and 88,731.08
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Solution
The fourth proportional to 149,194.36, 205,818.68 and 88,731.08 is: 122,407.53
Step by Step Solution
- Step 1: Write the proportion equation
149,194.36 : 205,818.68 = 88,731.08 : x - Step 2: Convert to fraction form
149,194.36/205,818.68 = 88,731.08/x - Step 3: Cross multiply
149,194.36x = 205,818.68 × 88,731.08 - Step 4: Simplify right side
149,194.36x = 18,262,513,760.57 - Step 5: Solve for x
x = 18,262,513,760.57/149,194.36 - Step 6: Final answer
x = 122,407.53
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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.