Finding the Fourth Proportional to 296,438.49, 409,083.62 and 160,472.70
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Solution
The fourth proportional to 296,438.49, 409,083.62 and 160,472.70 is: 221,451.51
Step by Step Solution
- Step 1: Write the proportion equation
296,438.49 : 409,083.62 = 160,472.70 : x - Step 2: Convert to fraction form
296,438.49/409,083.62 = 160,472.70/x - Step 3: Cross multiply
296,438.49x = 409,083.62 × 160,472.70 - Step 4: Simplify right side
296,438.49x = 65,646,752,224.81 - Step 5: Solve for x
x = 65,646,752,224.81/296,438.49 - Step 6: Final answer
x = 221,451.51
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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.