Finding the Fourth Proportional to 134,918.14, 202,341.92 and 40,122.77
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Solution
The fourth proportional to 134,918.14, 202,341.92 and 40,122.77 is: 60,173.66
Step by Step Solution
- Step 1: Write the proportion equation
134,918.14 : 202,341.92 = 40,122.77 : x - Step 2: Convert to fraction form
134,918.14/202,341.92 = 40,122.77/x - Step 3: Cross multiply
134,918.14x = 202,341.92 × 40,122.77 - Step 4: Simplify right side
134,918.14x = 8,118,518,622.76 - Step 5: Solve for x
x = 8,118,518,622.76/134,918.14 - Step 6: Final answer
x = 60,173.66
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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.