Finding the Fourth Proportional to 215,465.31, 323,089.79 and 125,537.13
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Solution
The fourth proportional to 215,465.31, 323,089.79 and 125,537.13 is: 188,242.67
Step by Step Solution
- Step 1: Write the proportion equation
215,465.31 : 323,089.79 = 125,537.13 : x - Step 2: Convert to fraction form
215,465.31/323,089.79 = 125,537.13/x - Step 3: Cross multiply
215,465.31x = 323,089.79 × 125,537.13 - Step 4: Simplify right side
215,465.31x = 40,559,764,341.22 - Step 5: Solve for x
x = 40,559,764,341.22/215,465.31 - Step 6: Final answer
x = 188,242.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.