Finding the Fourth Proportional to 207,438.93, 286,271.49 and 126,864.99
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Solution
The fourth proportional to 207,438.93, 286,271.49 and 126,864.99 is: 175,077.21
Step by Step Solution
- Step 1: Write the proportion equation
207,438.93 : 286,271.49 = 126,864.99 : x - Step 2: Convert to fraction form
207,438.93/286,271.49 = 126,864.99/x - Step 3: Cross multiply
207,438.93x = 286,271.49 × 126,864.99 - Step 4: Simplify right side
207,438.93x = 36,317,829,716.14 - Step 5: Solve for x
x = 36,317,829,716.14/207,438.93 - Step 6: Final answer
x = 175,077.21
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1.5x scale
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.