Finding the Fourth Proportional to 305,466.48, 458,378.36 and 127,958.48
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Solution
The fourth proportional to 305,466.48, 458,378.36 and 127,958.48 is: 192,012.55
Step by Step Solution
- Step 1: Write the proportion equation
305,466.48 : 458,378.36 = 127,958.48 : x - Step 2: Convert to fraction form
305,466.48/458,378.36 = 127,958.48/x - Step 3: Cross multiply
305,466.48x = 458,378.36 × 127,958.48 - Step 4: Simplify right side
305,466.48x = 58,653,398,210.49 - Step 5: Solve for x
x = 58,653,398,210.49/305,466.48 - Step 6: Final answer
x = 192,012.55
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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.