Finding the Fourth Proportional to 159,025.44, 219,457.36 and 87,412.08
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Solution
The fourth proportional to 159,025.44, 219,457.36 and 87,412.08 is: 120,629.91
Step by Step Solution
- Step 1: Write the proportion equation
159,025.44 : 219,457.36 = 87,412.08 : x - Step 2: Convert to fraction form
159,025.44/219,457.36 = 87,412.08/x - Step 3: Cross multiply
159,025.44x = 219,457.36 × 87,412.08 - Step 4: Simplify right side
159,025.44x = 19,183,224,308.91 - Step 5: Solve for x
x = 19,183,224,308.91/159,025.44 - Step 6: Final answer
x = 120,629.91
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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.