Finding the Fourth Proportional to 305,926.99, 458,843.09 and 156,277.87
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Solution
The fourth proportional to 305,926.99, 458,843.09 and 156,277.87 is: 234,392.59
Step by Step Solution
- Step 1: Write the proportion equation
305,926.99 : 458,843.09 = 156,277.87 : x - Step 2: Convert to fraction form
305,926.99/458,843.09 = 156,277.87/x - Step 3: Cross multiply
305,926.99x = 458,843.09 × 156,277.87 - Step 4: Simplify right side
305,926.99x = 71,707,018,475.20 - Step 5: Solve for x
x = 71,707,018,475.20/305,926.99 - Step 6: Final answer
x = 234,392.59
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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.