Finding the Fourth Proportional to 281,724.48, 388,748.16 and 174,363.84
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Solution
The fourth proportional to 281,724.48, 388,748.16 and 174,363.84 is: 240,602.53
Step by Step Solution
- Step 1: Write the proportion equation
281,724.48 : 388,748.16 = 174,363.84 : x - Step 2: Convert to fraction form
281,724.48/388,748.16 = 174,363.84/x - Step 3: Cross multiply
281,724.48x = 388,748.16 × 174,363.84 - Step 4: Simplify right side
281,724.48x = 67,783,621,970.53 - Step 5: Solve for x
x = 67,783,621,970.53/281,724.48 - Step 6: Final answer
x = 240,602.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.