Finding the Fourth Proportional to 208,919.99, 313,381.04 and 88,960.01
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Solution
The fourth proportional to 208,919.99, 313,381.04 and 88,960.01 is: 133,440.45
Step by Step Solution
- Step 1: Write the proportion equation
208,919.99 : 313,381.04 = 88,960.01 : x - Step 2: Convert to fraction form
208,919.99/313,381.04 = 88,960.01/x - Step 3: Cross multiply
208,919.99x = 313,381.04 × 88,960.01 - Step 4: Simplify right side
208,919.99x = 27,878,378,440.51 - Step 5: Solve for x
x = 27,878,378,440.51/208,919.99 - Step 6: Final answer
x = 133,440.45
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1.5x scale
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.