Finding the Fourth Proportional to 221,289.08, 330,673.87 and 166,157.13
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Solution
The fourth proportional to 221,289.08, 330,673.87 and 166,157.13 is: 248,289.80
Step by Step Solution
- Step 1: Write the proportion equation
221,289.08 : 330,673.87 = 166,157.13 : x - Step 2: Convert to fraction form
221,289.08/330,673.87 = 166,157.13/x - Step 3: Cross multiply
221,289.08x = 330,673.87 × 166,157.13 - Step 4: Simplify right side
221,289.08x = 54,943,821,205.19 - Step 5: Solve for x
x = 54,943,821,205.19/221,289.08 - Step 6: Final answer
x = 248,289.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.