Finding the Fourth Proportional to 155,768.68, 214,960.50 and 84,148.48
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Solution
The fourth proportional to 155,768.68, 214,960.50 and 84,148.48 is: 116,124.75
Step by Step Solution
- Step 1: Write the proportion equation
155,768.68 : 214,960.50 = 84,148.48 : x - Step 2: Convert to fraction form
155,768.68/214,960.50 = 84,148.48/x - Step 3: Cross multiply
155,768.68x = 214,960.50 × 84,148.48 - Step 4: Simplify right side
155,768.68x = 18,088,599,335.04 - Step 5: Solve for x
x = 18,088,599,335.04/155,768.68 - Step 6: Final answer
x = 116,124.75
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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.