Finding the Fourth Proportional to 135,952.48, 203,949.44 and 69,356.28
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Solution
The fourth proportional to 135,952.48, 203,949.44 and 69,356.28 is: 104,044.99
Step by Step Solution
- Step 1: Write the proportion equation
135,952.48 : 203,949.44 = 69,356.28 : x - Step 2: Convert to fraction form
135,952.48/203,949.44 = 69,356.28/x - Step 3: Cross multiply
135,952.48x = 203,949.44 × 69,356.28 - Step 4: Simplify right side
135,952.48x = 14,145,174,119.70 - Step 5: Solve for x
x = 14,145,174,119.70/135,952.48 - Step 6: Final answer
x = 104,044.99
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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.