Finding the Fourth Proportional to 187,305.75, 280,958.91 and 76,497.75
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Solution
The fourth proportional to 187,305.75, 280,958.91 and 76,497.75 is: 114,746.74
Step by Step Solution
- Step 1: Write the proportion equation
187,305.75 : 280,958.91 = 76,497.75 : x - Step 2: Convert to fraction form
187,305.75/280,958.91 = 76,497.75/x - Step 3: Cross multiply
187,305.75x = 280,958.91 × 76,497.75 - Step 4: Simplify right side
187,305.75x = 21,492,724,457.45 - Step 5: Solve for x
x = 21,492,724,457.45/187,305.75 - Step 6: Final answer
x = 114,746.74
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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.