Finding the Fourth Proportional to 160,403.66, 221,352.62 and 91,491.56
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Solution
The fourth proportional to 160,403.66, 221,352.62 and 91,491.56 is: 126,255.82
Step by Step Solution
- Step 1: Write the proportion equation
160,403.66 : 221,352.62 = 91,491.56 : x - Step 2: Convert to fraction form
160,403.66/221,352.62 = 91,491.56/x - Step 3: Cross multiply
160,403.66x = 221,352.62 × 91,491.56 - Step 4: Simplify right side
160,403.66x = 20,251,895,779.74 - Step 5: Solve for x
x = 20,251,895,779.74/160,403.66 - Step 6: Final answer
x = 126,255.82
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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.