Finding the Fourth Proportional to 313,926.98, 470,879.91 and 136,434.02
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Solution
The fourth proportional to 313,926.98, 470,879.91 and 136,434.02 is: 204,646.44
Step by Step Solution
- Step 1: Write the proportion equation
313,926.98 : 470,879.91 = 136,434.02 : x - Step 2: Convert to fraction form
313,926.98/470,879.91 = 136,434.02/x - Step 3: Cross multiply
313,926.98x = 470,879.91 × 136,434.02 - Step 4: Simplify right side
313,926.98x = 64,244,036,704.14 - Step 5: Solve for x
x = 64,244,036,704.14/313,926.98 - Step 6: Final answer
x = 204,646.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.