Finding the Fourth Proportional to 242,447.75, 334,553.95 and 135,027.78
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Solution
The fourth proportional to 242,447.75, 334,553.95 and 135,027.78 is: 186,324.99
Step by Step Solution
- Step 1: Write the proportion equation
242,447.75 : 334,553.95 = 135,027.78 : x - Step 2: Convert to fraction form
242,447.75/334,553.95 = 135,027.78/x - Step 3: Cross multiply
242,447.75x = 334,553.95 × 135,027.78 - Step 4: Simplify right side
242,447.75x = 45,174,075,313.41 - Step 5: Solve for x
x = 45,174,075,313.41/242,447.75 - Step 6: Final answer
x = 186,324.99
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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.