Finding the Fourth Proportional to 427,692.20, 590,215.23 and 248,844.20
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Solution
The fourth proportional to 427,692.20, 590,215.23 and 248,844.20 is: 343,404.99
Step by Step Solution
- Step 1: Write the proportion equation
427,692.20 : 590,215.23 = 248,844.20 : x - Step 2: Convert to fraction form
427,692.20/590,215.23 = 248,844.20/x - Step 3: Cross multiply
427,692.20x = 590,215.23 × 248,844.20 - Step 4: Simplify right side
427,692.20x = 146,871,633,786.09 - Step 5: Solve for x
x = 146,871,633,786.09/427,692.20 - Step 6: Final answer
x = 343,404.99
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1.5x scale
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.