Finding the Fourth Proportional to 161,828.66, 223,419.23 and 143,873.99
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Solution
The fourth proportional to 161,828.66, 223,419.23 and 143,873.99 is: 198,631.16
Step by Step Solution
- Step 1: Write the proportion equation
161,828.66 : 223,419.23 = 143,873.99 : x - Step 2: Convert to fraction form
161,828.66/223,419.23 = 143,873.99/x - Step 3: Cross multiply
161,828.66x = 223,419.23 × 143,873.99 - Step 4: Simplify right side
161,828.66x = 32,144,215,305.42 - Step 5: Solve for x
x = 32,144,215,305.42/161,828.66 - Step 6: Final answer
x = 198,631.16
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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.