Finding the Fourth Proportional to 221,844.34, 306,293.00 and 131,229.42
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Solution
The fourth proportional to 221,844.34, 306,293.00 and 131,229.42 is: 181,184.02
Step by Step Solution
- Step 1: Write the proportion equation
221,844.34 : 306,293.00 = 131,229.42 : x - Step 2: Convert to fraction form
221,844.34/306,293.00 = 131,229.42/x - Step 3: Cross multiply
221,844.34x = 306,293.00 × 131,229.42 - Step 4: Simplify right side
221,844.34x = 40,194,650,935.31 - Step 5: Solve for x
x = 40,194,650,935.31/221,844.34 - Step 6: Final answer
x = 181,184.02
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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.