Finding the Fourth Proportional to 219,242.09, 302,553.91 and 118,640.09
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Solution
The fourth proportional to 219,242.09, 302,553.91 and 118,640.09 is: 163,723.23
Step by Step Solution
- Step 1: Write the proportion equation
219,242.09 : 302,553.91 = 118,640.09 : x - Step 2: Convert to fraction form
219,242.09/302,553.91 = 118,640.09/x - Step 3: Cross multiply
219,242.09x = 302,553.91 × 118,640.09 - Step 4: Simplify right side
219,242.09x = 35,895,023,112.25 - Step 5: Solve for x
x = 35,895,023,112.25/219,242.09 - Step 6: Final answer
x = 163,723.23
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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.