Finding the Fourth Proportional to 285,072.24, 427,593.12 and 107,567.76
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Solution
The fourth proportional to 285,072.24, 427,593.12 and 107,567.76 is: 161,345.89
Step by Step Solution
- Step 1: Write the proportion equation
285,072.24 : 427,593.12 = 107,567.76 : x - Step 2: Convert to fraction form
285,072.24/427,593.12 = 107,567.76/x - Step 3: Cross multiply
285,072.24x = 427,593.12 × 107,567.76 - Step 4: Simplify right side
285,072.24x = 45,995,234,109.81 - Step 5: Solve for x
x = 45,995,234,109.81/285,072.24 - Step 6: Final answer
x = 161,345.89
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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.