Finding the Fourth Proportional to 307,838.42, 424,961.00 and 178,751.75
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Solution
The fourth proportional to 307,838.42, 424,961.00 and 178,751.75 is: 246,761.02
Step by Step Solution
- Step 1: Write the proportion equation
307,838.42 : 424,961.00 = 178,751.75 : x - Step 2: Convert to fraction form
307,838.42/424,961.00 = 178,751.75/x - Step 3: Cross multiply
307,838.42x = 424,961.00 × 178,751.75 - Step 4: Simplify right side
307,838.42x = 75,962,521,816.23 - Step 5: Solve for x
x = 75,962,521,816.23/307,838.42 - Step 6: Final answer
x = 246,761.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.