Finding the Fourth Proportional to 155,489.44, 214,553.28 and 87,496.96
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Solution
The fourth proportional to 155,489.44, 214,553.28 and 87,496.96 is: 120,733.34
Step by Step Solution
- Step 1: Write the proportion equation
155,489.44 : 214,553.28 = 87,496.96 : x - Step 2: Convert to fraction form
155,489.44/214,553.28 = 87,496.96/x - Step 3: Cross multiply
155,489.44x = 214,553.28 × 87,496.96 - Step 4: Simplify right side
155,489.44x = 18,772,759,758.03 - Step 5: Solve for x
x = 18,772,759,758.03/155,489.44 - Step 6: Final answer
x = 120,733.34
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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.