Finding the Fourth Proportional to 118,446.13, 177,649.73 and 42,528.95
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Solution
The fourth proportional to 118,446.13, 177,649.73 and 42,528.95 is: 63,786.43
Step by Step Solution
- Step 1: Write the proportion equation
118,446.13 : 177,649.73 = 42,528.95 : x - Step 2: Convert to fraction form
118,446.13/177,649.73 = 42,528.95/x - Step 3: Cross multiply
118,446.13x = 177,649.73 × 42,528.95 - Step 4: Simplify right side
118,446.13x = 7,555,256,209.46 - Step 5: Solve for x
x = 7,555,256,209.46/118,446.13 - Step 6: Final answer
x = 63,786.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.