Finding the Fourth Proportional to 160,473.84, 221,457.36 and 87,879.79
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Solution
The fourth proportional to 160,473.84, 221,457.36 and 87,879.79 is: 121,276.01
Step by Step Solution
- Step 1: Write the proportion equation
160,473.84 : 221,457.36 = 87,879.79 : x - Step 2: Convert to fraction form
160,473.84/221,457.36 = 87,879.79/x - Step 3: Cross multiply
160,473.84x = 221,457.36 × 87,879.79 - Step 4: Simplify right side
160,473.84x = 19,461,626,290.75 - Step 5: Solve for x
x = 19,461,626,290.75/160,473.84 - Step 6: Final answer
x = 121,276.01
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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.