Finding the Fourth Proportional to 169,109.84, 253,703.63 and 50,783.42
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Solution
The fourth proportional to 169,109.84, 253,703.63 and 50,783.42 is: 76,186.80
Step by Step Solution
- Step 1: Write the proportion equation
169,109.84 : 253,703.63 = 50,783.42 : x - Step 2: Convert to fraction form
169,109.84/253,703.63 = 50,783.42/x - Step 3: Cross multiply
169,109.84x = 253,703.63 × 50,783.42 - Step 4: Simplify right side
169,109.84x = 12,883,936,475.38 - Step 5: Solve for x
x = 12,883,936,475.38/169,109.84 - Step 6: Final answer
x = 76,186.80
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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.