Finding the Fourth Proportional to 285,278.68, 427,998.01 and 114,620.23
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Solution
The fourth proportional to 285,278.68, 427,998.01 and 114,620.23 is: 171,962.49
Step by Step Solution
- Step 1: Write the proportion equation
285,278.68 : 427,998.01 = 114,620.23 : x - Step 2: Convert to fraction form
285,278.68/427,998.01 = 114,620.23/x - Step 3: Cross multiply
285,278.68x = 427,998.01 × 114,620.23 - Step 4: Simplify right side
285,278.68x = 49,057,230,809.10 - Step 5: Solve for x
x = 49,057,230,809.10/285,278.68 - Step 6: Final answer
x = 171,962.49
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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.