Finding the Fourth Proportional to 134,909.93, 202,329.64 and 40,114.59
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Solution
The fourth proportional to 134,909.93, 202,329.64 and 40,114.59 is: 60,161.39
Step by Step Solution
- Step 1: Write the proportion equation
134,909.93 : 202,329.64 = 40,114.59 : x - Step 2: Convert to fraction form
134,909.93/202,329.64 = 40,114.59/x - Step 3: Cross multiply
134,909.93x = 202,329.64 × 40,114.59 - Step 4: Simplify right side
134,909.93x = 8,116,369,341.23 - Step 5: Solve for x
x = 8,116,369,341.23/134,909.93 - Step 6: Final answer
x = 60,161.39
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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.