Finding the Fourth Proportional to 186,773.13, 257,377.01 and 132,907.23
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Solution
The fourth proportional to 186,773.13, 257,377.01 and 132,907.23 is: 183,148.75
Step by Step Solution
- Step 1: Write the proportion equation
186,773.13 : 257,377.01 = 132,907.23 : x - Step 2: Convert to fraction form
186,773.13/257,377.01 = 132,907.23/x - Step 3: Cross multiply
186,773.13x = 257,377.01 × 132,907.23 - Step 4: Simplify right side
186,773.13x = 34,207,264,800.25 - Step 5: Solve for x
x = 34,207,264,800.25/186,773.13 - Step 6: Final answer
x = 183,148.75
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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.