Finding the Fourth Proportional to 285,500.24, 427,783.17 and 172,838.99
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Solution
The fourth proportional to 285,500.24, 427,783.17 and 172,838.99 is: 258,975.64
Step by Step Solution
- Step 1: Write the proportion equation
285,500.24 : 427,783.17 = 172,838.99 : x - Step 2: Convert to fraction form
285,500.24/427,783.17 = 172,838.99/x - Step 3: Cross multiply
285,500.24x = 427,783.17 × 172,838.99 - Step 4: Simplify right side
285,500.24x = 73,937,608,038.69 - Step 5: Solve for x
x = 73,937,608,038.69/285,500.24 - Step 6: Final answer
x = 258,975.64
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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.