Finding the Fourth Proportional to 134,887.91, 202,331.64 and 40,117.64
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Solution
The fourth proportional to 134,887.91, 202,331.64 and 40,117.64 is: 60,176.39
Step by Step Solution
- Step 1: Write the proportion equation
134,887.91 : 202,331.64 = 40,117.64 : x - Step 2: Convert to fraction form
134,887.91/202,331.64 = 40,117.64/x - Step 3: Cross multiply
134,887.91x = 202,331.64 × 40,117.64 - Step 4: Simplify right side
134,887.91x = 8,117,067,894.13 - Step 5: Solve for x
x = 8,117,067,894.13/134,887.91 - Step 6: Final answer
x = 60,176.39
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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.