Finding the Fourth Proportional to 215,105.13, 296,853.55 and 118,317.99
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Solution
The fourth proportional to 215,105.13, 296,853.55 and 118,317.99 is: 163,283.48
Step by Step Solution
- Step 1: Write the proportion equation
215,105.13 : 296,853.55 = 118,317.99 : x - Step 2: Convert to fraction form
215,105.13/296,853.55 = 118,317.99/x - Step 3: Cross multiply
215,105.13x = 296,853.55 × 118,317.99 - Step 4: Simplify right side
215,105.13x = 35,123,114,026.64 - Step 5: Solve for x
x = 35,123,114,026.64/215,105.13 - Step 6: Final answer
x = 163,283.48
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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.