Finding the Fourth Proportional to 102,457.92, 153,756.08 and 35,898.56
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Solution
The fourth proportional to 102,457.92, 153,756.08 and 35,898.56 is: 53,872.09
Step by Step Solution
- Step 1: Write the proportion equation
102,457.92 : 153,756.08 = 35,898.56 : x - Step 2: Convert to fraction form
102,457.92/153,756.08 = 35,898.56/x - Step 3: Cross multiply
102,457.92x = 153,756.08 × 35,898.56 - Step 4: Simplify right side
102,457.92x = 5,519,621,863.24 - Step 5: Solve for x
x = 5,519,621,863.24/102,457.92 - Step 6: Final answer
x = 53,872.09
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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.