Finding the Fourth Proportional to 305,466.99, 458,266.25 and 92,217.03
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Solution
The fourth proportional to 305,466.99, 458,266.25 and 92,217.03 is: 138,345.40
Step by Step Solution
- Step 1: Write the proportion equation
305,466.99 : 458,266.25 = 92,217.03 : x - Step 2: Convert to fraction form
305,466.99/458,266.25 = 92,217.03/x - Step 3: Cross multiply
305,466.99x = 458,266.25 × 92,217.03 - Step 4: Simplify right side
305,466.99x = 42,259,952,063.15 - Step 5: Solve for x
x = 42,259,952,063.15/305,466.99 - Step 6: Final answer
x = 138,345.40
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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.