Finding the Fourth Proportional to 160,457.43, 221,296.73 and 103,106.09
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Solution
The fourth proportional to 160,457.43, 221,296.73 and 103,106.09 is: 142,199.96
Step by Step Solution
- Step 1: Write the proportion equation
160,457.43 : 221,296.73 = 103,106.09 : x - Step 2: Convert to fraction form
160,457.43/221,296.73 = 103,106.09/x - Step 3: Cross multiply
160,457.43x = 221,296.73 × 103,106.09 - Step 4: Simplify right side
160,457.43x = 22,817,040,560.09 - Step 5: Solve for x
x = 22,817,040,560.09/160,457.43 - Step 6: Final answer
x = 142,199.96
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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.