Finding the Fourth Proportional to 284,519.53, 426,688.17 and 158,220.28
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Solution
The fourth proportional to 284,519.53, 426,688.17 and 158,220.28 is: 237,279.75
Step by Step Solution
- Step 1: Write the proportion equation
284,519.53 : 426,688.17 = 158,220.28 : x - Step 2: Convert to fraction form
284,519.53/426,688.17 = 158,220.28/x - Step 3: Cross multiply
284,519.53x = 426,688.17 × 158,220.28 - Step 4: Simplify right side
284,519.53x = 67,510,721,730.09 - Step 5: Solve for x
x = 67,510,721,730.09/284,519.53 - Step 6: Final answer
x = 237,279.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.