Finding the Fourth Proportional to 186,186.24, 279,278.95 and 67,809.20
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Solution
The fourth proportional to 186,186.24, 279,278.95 and 67,809.20 is: 101,713.65
Step by Step Solution
- Step 1: Write the proportion equation
186,186.24 : 279,278.95 = 67,809.20 : x - Step 2: Convert to fraction form
186,186.24/279,278.95 = 67,809.20/x - Step 3: Cross multiply
186,186.24x = 279,278.95 × 67,809.20 - Step 4: Simplify right side
186,186.24x = 18,937,682,176.34 - Step 5: Solve for x
x = 18,937,682,176.34/186,186.24 - Step 6: Final answer
x = 101,713.65
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1.5x scale
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.