Finding the Fourth Proportional to 277,041.06, 415,561.65 and 66,678.99
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Solution
The fourth proportional to 277,041.06, 415,561.65 and 66,678.99 is: 100,018.50
Step by Step Solution
- Step 1: Write the proportion equation
277,041.06 : 415,561.65 = 66,678.99 : x - Step 2: Convert to fraction form
277,041.06/415,561.65 = 66,678.99/x - Step 3: Cross multiply
277,041.06x = 415,561.65 × 66,678.99 - Step 4: Simplify right side
277,041.06x = 27,709,231,104.73 - Step 5: Solve for x
x = 27,709,231,104.73/277,041.06 - Step 6: Final answer
x = 100,018.50
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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.