Finding the Fourth Proportional to 218,916.09, 302,108.00 and 132,877.08
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Solution
The fourth proportional to 218,916.09, 302,108.00 and 132,877.08 is: 183,372.67
Step by Step Solution
- Step 1: Write the proportion equation
218,916.09 : 302,108.00 = 132,877.08 : x - Step 2: Convert to fraction form
218,916.09/302,108.00 = 132,877.08/x - Step 3: Cross multiply
218,916.09x = 302,108.00 × 132,877.08 - Step 4: Simplify right side
218,916.09x = 40,143,228,220.25 - Step 5: Solve for x
x = 40,143,228,220.25/218,916.09 - Step 6: Final answer
x = 183,372.67
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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.