Finding the Fourth Proportional to 114,045.82, 157,385.60 and 63,062.75
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Solution
The fourth proportional to 114,045.82, 157,385.60 and 63,062.75 is: 87,027.90
Step by Step Solution
- Step 1: Write the proportion equation
114,045.82 : 157,385.60 = 63,062.75 : x - Step 2: Convert to fraction form
114,045.82/157,385.60 = 63,062.75/x - Step 3: Cross multiply
114,045.82x = 157,385.60 × 63,062.75 - Step 4: Simplify right side
114,045.82x = 9,925,168,117.13 - Step 5: Solve for x
x = 9,925,168,117.13/114,045.82 - Step 6: Final answer
x = 87,027.90
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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.