Finding the Fourth Proportional to 302,581.36, 453,943.12 and 169,553.44
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Solution
The fourth proportional to 302,581.36, 453,943.12 and 169,553.44 is: 254,369.99
Step by Step Solution
- Step 1: Write the proportion equation
302,581.36 : 453,943.12 = 169,553.44 : x - Step 2: Convert to fraction form
302,581.36/453,943.12 = 169,553.44/x - Step 3: Cross multiply
302,581.36x = 453,943.12 × 169,553.44 - Step 4: Simplify right side
302,581.36x = 76,967,617,560.33 - Step 5: Solve for x
x = 76,967,617,560.33/302,581.36 - Step 6: Final answer
x = 254,369.99
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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.