Finding the Fourth Proportional to 315,872.37, 473,781.93 and 135,950.53
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Solution
The fourth proportional to 315,872.37, 473,781.93 and 135,950.53 is: 203,914.34
Step by Step Solution
- Step 1: Write the proportion equation
315,872.37 : 473,781.93 = 135,950.53 : x - Step 2: Convert to fraction form
315,872.37/473,781.93 = 135,950.53/x - Step 3: Cross multiply
315,872.37x = 473,781.93 × 135,950.53 - Step 4: Simplify right side
315,872.37x = 64,410,904,487.92 - Step 5: Solve for x
x = 64,410,904,487.92/315,872.37 - Step 6: Final answer
x = 203,914.34
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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.