Finding the Fourth Proportional to 356,623.37, 492,190.67 and 220,701.12
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Solution
The fourth proportional to 356,623.37, 492,190.67 and 220,701.12 is: 304,598.75
Step by Step Solution
- Step 1: Write the proportion equation
356,623.37 : 492,190.67 = 220,701.12 : x - Step 2: Convert to fraction form
356,623.37/492,190.67 = 220,701.12/x - Step 3: Cross multiply
356,623.37x = 492,190.67 × 220,701.12 - Step 4: Simplify right side
356,623.37x = 108,627,032,674.30 - Step 5: Solve for x
x = 108,627,032,674.30/356,623.37 - Step 6: Final answer
x = 304,598.75
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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.