Finding the Fourth Proportional to 207,429.93, 286,259.06 and 126,855.99
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Solution
The fourth proportional to 207,429.93, 286,259.06 and 126,855.99 is: 175,064.79
Step by Step Solution
- Step 1: Write the proportion equation
207,429.93 : 286,259.06 = 126,855.99 : x - Step 2: Convert to fraction form
207,429.93/286,259.06 = 126,855.99/x - Step 3: Cross multiply
207,429.93x = 286,259.06 × 126,855.99 - Step 4: Simplify right side
207,429.93x = 36,313,676,769.91 - Step 5: Solve for x
x = 36,313,676,769.91/207,429.93 - Step 6: Final answer
x = 175,064.79
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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.