Finding the Fourth Proportional to 284,822.74, 427,444.38 and 135,063.53
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Solution
The fourth proportional to 284,822.74, 427,444.38 and 135,063.53 is: 202,695.00
Step by Step Solution
- Step 1: Write the proportion equation
284,822.74 : 427,444.38 = 135,063.53 : x - Step 2: Convert to fraction form
284,822.74/427,444.38 = 135,063.53/x - Step 3: Cross multiply
284,822.74x = 427,444.38 × 135,063.53 - Step 4: Simplify right side
284,822.74x = 57,732,145,484.83 - Step 5: Solve for x
x = 57,732,145,484.83/284,822.74 - Step 6: Final answer
x = 202,695.00
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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.