Finding the Fourth Proportional to 178,744.25, 268,116.21 and 45,624.53
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Solution
The fourth proportional to 178,744.25, 268,116.21 and 45,624.53 is: 68,436.75
Step by Step Solution
- Step 1: Write the proportion equation
178,744.25 : 268,116.21 = 45,624.53 : x - Step 2: Convert to fraction form
178,744.25/268,116.21 = 45,624.53/x - Step 3: Cross multiply
178,744.25x = 268,116.21 × 45,624.53 - Step 4: Simplify right side
178,744.25x = 12,232,674,726.05 - Step 5: Solve for x
x = 12,232,674,726.05/178,744.25 - Step 6: Final answer
x = 68,436.75
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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.