Finding the Fourth Proportional to 161,022.99, 221,846.16 and 124,599.18
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Solution
The fourth proportional to 161,022.99, 221,846.16 and 124,599.18 is: 171,663.99
Step by Step Solution
- Step 1: Write the proportion equation
161,022.99 : 221,846.16 = 124,599.18 : x - Step 2: Convert to fraction form
161,022.99/221,846.16 = 124,599.18/x - Step 3: Cross multiply
161,022.99x = 221,846.16 × 124,599.18 - Step 4: Simplify right side
161,022.99x = 27,641,849,622.15 - Step 5: Solve for x
x = 27,641,849,622.15/161,022.99 - Step 6: Final answer
x = 171,663.99
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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.