Finding the Fourth Proportional to 296,490.11, 409,151.39 and 160,522.95
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Solution
The fourth proportional to 296,490.11, 409,151.39 and 160,522.95 is: 221,518.99
Step by Step Solution
- Step 1: Write the proportion equation
296,490.11 : 409,151.39 = 160,522.95 : x - Step 2: Convert to fraction form
296,490.11/409,151.39 = 160,522.95/x - Step 3: Cross multiply
296,490.11x = 409,151.39 × 160,522.95 - Step 4: Simplify right side
296,490.11x = 65,678,187,718.09 - Step 5: Solve for x
x = 65,678,187,718.09/296,490.11 - Step 6: Final answer
x = 221,518.99
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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.