Finding the Fourth Proportional to 146,863.86, 202,671.63 and 83,213.79
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Solution
The fourth proportional to 146,863.86, 202,671.63 and 83,213.79 is: 114,834.75
Step by Step Solution
- Step 1: Write the proportion equation
146,863.86 : 202,671.63 = 83,213.79 : x - Step 2: Convert to fraction form
146,863.86/202,671.63 = 83,213.79/x - Step 3: Cross multiply
146,863.86x = 202,671.63 × 83,213.79 - Step 4: Simplify right side
146,863.86x = 16,865,074,457.78 - Step 5: Solve for x
x = 16,865,074,457.78/146,863.86 - Step 6: Final answer
x = 114,834.75
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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.