Finding the Fourth Proportional to 221,994.24, 306,382.08 and 125,217.96
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Solution
The fourth proportional to 221,994.24, 306,382.08 and 125,217.96 is: 172,817.72
Step by Step Solution
- Step 1: Write the proportion equation
221,994.24 : 306,382.08 = 125,217.96 : x - Step 2: Convert to fraction form
221,994.24/306,382.08 = 125,217.96/x - Step 3: Cross multiply
221,994.24x = 306,382.08 × 125,217.96 - Step 4: Simplify right side
221,994.24x = 38,364,539,038.16 - Step 5: Solve for x
x = 38,364,539,038.16/221,994.24 - Step 6: Final answer
x = 172,817.72
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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.