Finding the Fourth Proportional to 186,263.74, 279,395.20 and 67,886.70
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Solution
The fourth proportional to 186,263.74, 279,395.20 and 67,886.70 is: 101,829.90
Step by Step Solution
- Step 1: Write the proportion equation
186,263.74 : 279,395.20 = 67,886.70 : x - Step 2: Convert to fraction form
186,263.74/279,395.20 = 67,886.70/x - Step 3: Cross multiply
186,263.74x = 279,395.20 × 67,886.70 - Step 4: Simplify right side
186,263.74x = 18,967,218,123.84 - Step 5: Solve for x
x = 18,967,218,123.84/186,263.74 - Step 6: Final answer
x = 101,829.90
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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.