Finding the Fourth Proportional to 162,073.28, 243,135.84 and 68,579.84
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Solution
The fourth proportional to 162,073.28, 243,135.84 and 68,579.84 is: 102,880.73
Step by Step Solution
- Step 1: Write the proportion equation
162,073.28 : 243,135.84 = 68,579.84 : x - Step 2: Convert to fraction form
162,073.28/243,135.84 = 68,579.84/x - Step 3: Cross multiply
162,073.28x = 243,135.84 × 68,579.84 - Step 4: Simplify right side
162,073.28x = 16,674,217,005.47 - Step 5: Solve for x
x = 16,674,217,005.47/162,073.28 - Step 6: Final answer
x = 102,880.73
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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.