Finding the Fourth Proportional to 221,968.66, 306,332.39 and 125,181.18
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Solution
The fourth proportional to 221,968.66, 306,332.39 and 125,181.18 is: 172,758.84
Step by Step Solution
- Step 1: Write the proportion equation
221,968.66 : 306,332.39 = 125,181.18 : x - Step 2: Convert to fraction form
221,968.66/306,332.39 = 125,181.18/x - Step 3: Cross multiply
221,968.66x = 306,332.39 × 125,181.18 - Step 4: Simplify right side
221,968.66x = 38,347,047,894.85 - Step 5: Solve for x
x = 38,347,047,894.85/221,968.66 - Step 6: Final answer
x = 172,758.84
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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.