Finding the Fourth Proportional to 496,715.99, 745,199.73 and 141,731.28
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Solution
The fourth proportional to 496,715.99, 745,199.73 and 141,731.28 is: 212,632.80
Step by Step Solution
- Step 1: Write the proportion equation
496,715.99 : 745,199.73 = 141,731.28 : x - Step 2: Convert to fraction form
496,715.99/745,199.73 = 141,731.28/x - Step 3: Cross multiply
496,715.99x = 745,199.73 × 141,731.28 - Step 4: Simplify right side
496,715.99x = 105,618,111,588.55 - Step 5: Solve for x
x = 105,618,111,588.55/496,715.99 - Step 6: Final answer
x = 212,632.80
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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.