Finding the Fourth Proportional to 221,759.20, 306,045.84 and 126,295.84
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Solution
The fourth proportional to 221,759.20, 306,045.84 and 126,295.84 is: 174,298.59
Step by Step Solution
- Step 1: Write the proportion equation
221,759.20 : 306,045.84 = 126,295.84 : x - Step 2: Convert to fraction form
221,759.20/306,045.84 = 126,295.84/x - Step 3: Cross multiply
221,759.20x = 306,045.84 × 126,295.84 - Step 4: Simplify right side
221,759.20x = 38,652,316,441.31 - Step 5: Solve for x
x = 38,652,316,441.31/221,759.20 - Step 6: Final answer
x = 174,298.59
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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.