Finding the Fourth Proportional to 339,950.23, 469,121.52 and 186,988.41
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Solution
The fourth proportional to 339,950.23, 469,121.52 and 186,988.41 is: 258,038.62
Step by Step Solution
- Step 1: Write the proportion equation
339,950.23 : 469,121.52 = 186,988.41 : x - Step 2: Convert to fraction form
339,950.23/469,121.52 = 186,988.41/x - Step 3: Cross multiply
339,950.23x = 469,121.52 × 186,988.41 - Step 4: Simplify right side
339,950.23x = 87,720,287,822.79 - Step 5: Solve for x
x = 87,720,287,822.79/339,950.23 - Step 6: Final answer
x = 258,038.62
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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.