Finding the Fourth Proportional to 221,251.96, 305,254.74 and 125,723.80
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Solution
The fourth proportional to 221,251.96, 305,254.74 and 125,723.80 is: 173,457.38
Step by Step Solution
- Step 1: Write the proportion equation
221,251.96 : 305,254.74 = 125,723.80 : x - Step 2: Convert to fraction form
221,251.96/305,254.74 = 125,723.80/x - Step 3: Cross multiply
221,251.96x = 305,254.74 × 125,723.80 - Step 4: Simplify right side
221,251.96x = 38,377,785,880.81 - Step 5: Solve for x
x = 38,377,785,880.81/221,251.96 - Step 6: Final answer
x = 173,457.38
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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.