Finding the Fourth Proportional to 208,672.13, 313,048.77 and 88,727.70
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Solution
The fourth proportional to 208,672.13, 313,048.77 and 88,727.70 is: 133,108.81
Step by Step Solution
- Step 1: Write the proportion equation
208,672.13 : 313,048.77 = 88,727.70 : x - Step 2: Convert to fraction form
208,672.13/313,048.77 = 88,727.70/x - Step 3: Cross multiply
208,672.13x = 313,048.77 × 88,727.70 - Step 4: Simplify right side
208,672.13x = 27,776,097,349.93 - Step 5: Solve for x
x = 27,776,097,349.93/208,672.13 - Step 6: Final answer
x = 133,108.81
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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.