Finding the Fourth Proportional to 128,341.41, 192,376.35 and 48,344.76
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Solution
The fourth proportional to 128,341.41, 192,376.35 and 48,344.76 is: 72,466.00
Step by Step Solution
- Step 1: Write the proportion equation
128,341.41 : 192,376.35 = 48,344.76 : x - Step 2: Convert to fraction form
128,341.41/192,376.35 = 48,344.76/x - Step 3: Cross multiply
128,341.41x = 192,376.35 × 48,344.76 - Step 4: Simplify right side
128,341.41x = 9,300,388,470.43 - Step 5: Solve for x
x = 9,300,388,470.43/128,341.41 - Step 6: Final answer
x = 72,466.00
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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.