Finding the Fourth Proportional to 155,318.26, 214,197.06 and 115,132.14
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Solution
The fourth proportional to 155,318.26, 214,197.06 and 115,132.14 is: 158,776.99
Step by Step Solution
- Step 1: Write the proportion equation
155,318.26 : 214,197.06 = 115,132.14 : x - Step 2: Convert to fraction form
155,318.26/214,197.06 = 115,132.14/x - Step 3: Cross multiply
155,318.26x = 214,197.06 × 115,132.14 - Step 4: Simplify right side
155,318.26x = 24,660,965,899.51 - Step 5: Solve for x
x = 24,660,965,899.51/155,318.26 - Step 6: Final answer
x = 158,776.99
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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.