Finding the Fourth Proportional to 117,619.49, 176,430.14 and 28,873.76
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Solution
The fourth proportional to 117,619.49, 176,430.14 and 28,873.76 is: 43,310.86
Step by Step Solution
- Step 1: Write the proportion equation
117,619.49 : 176,430.14 = 28,873.76 : x - Step 2: Convert to fraction form
117,619.49/176,430.14 = 28,873.76/x - Step 3: Cross multiply
117,619.49x = 176,430.14 × 28,873.76 - Step 4: Simplify right side
117,619.49x = 5,094,201,519.13 - Step 5: Solve for x
x = 5,094,201,519.13/117,619.49 - Step 6: Final answer
x = 43,310.86
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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.