Finding the Fourth Proportional to 186,460.76, 257,315.46 and 101,577.62
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Solution
The fourth proportional to 186,460.76, 257,315.46 and 101,577.62 is: 140,176.90
Step by Step Solution
- Step 1: Write the proportion equation
186,460.76 : 257,315.46 = 101,577.62 : x - Step 2: Convert to fraction form
186,460.76/257,315.46 = 101,577.62/x - Step 3: Cross multiply
186,460.76x = 257,315.46 × 101,577.62 - Step 4: Simplify right side
186,460.76x = 26,137,492,016.01 - Step 5: Solve for x
x = 26,137,492,016.01/186,460.76 - Step 6: Final answer
x = 140,176.90
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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.