Finding the Fourth Proportional to 221,209.92, 331,894.08 and 94,797.12
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Solution
The fourth proportional to 221,209.92, 331,894.08 and 94,797.12 is: 142,229.62
Step by Step Solution
- Step 1: Write the proportion equation
221,209.92 : 331,894.08 = 94,797.12 : x - Step 2: Convert to fraction form
221,209.92/331,894.08 = 94,797.12/x - Step 3: Cross multiply
221,209.92x = 331,894.08 × 94,797.12 - Step 4: Simplify right side
221,209.92x = 31,462,602,929.05 - Step 5: Solve for x
x = 31,462,602,929.05/221,209.92 - Step 6: Final answer
x = 142,229.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.