Finding the Fourth Proportional to 156,094.49, 215,230.83 and 115,317.62
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Solution
The fourth proportional to 156,094.49, 215,230.83 and 115,317.62 is: 159,005.66
Step by Step Solution
- Step 1: Write the proportion equation
156,094.49 : 215,230.83 = 115,317.62 : x - Step 2: Convert to fraction form
156,094.49/215,230.83 = 115,317.62/x - Step 3: Cross multiply
156,094.49x = 215,230.83 × 115,317.62 - Step 4: Simplify right side
156,094.49x = 24,819,906,364.75 - Step 5: Solve for x
x = 24,819,906,364.75/156,094.49 - Step 6: Final answer
x = 159,005.66
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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.