Finding the Fourth Proportional to 167,421.87, 230,883.62 and 109,960.07
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Solution
The fourth proportional to 167,421.87, 230,883.62 and 109,960.07 is: 151,640.75
Step by Step Solution
- Step 1: Write the proportion equation
167,421.87 : 230,883.62 = 109,960.07 : x - Step 2: Convert to fraction form
167,421.87/230,883.62 = 109,960.07/x - Step 3: Cross multiply
167,421.87x = 230,883.62 × 109,960.07 - Step 4: Simplify right side
167,421.87x = 25,387,977,312.84 - Step 5: Solve for x
x = 25,387,977,312.84/167,421.87 - Step 6: Final answer
x = 151,640.75
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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.