Finding the Fourth Proportional to 169,939.13, 234,515.99 and 94,487.63
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Solution
The fourth proportional to 169,939.13, 234,515.99 and 94,487.63 is: 130,392.92
Step by Step Solution
- Step 1: Write the proportion equation
169,939.13 : 234,515.99 = 94,487.63 : x - Step 2: Convert to fraction form
169,939.13/234,515.99 = 94,487.63/x - Step 3: Cross multiply
169,939.13x = 234,515.99 × 94,487.63 - Step 4: Simplify right side
169,939.13x = 22,158,859,155.84 - Step 5: Solve for x
x = 22,158,859,155.84/169,939.13 - Step 6: Final answer
x = 130,392.92
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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.