Finding the Fourth Proportional to 312,056.49, 468,104.18 and 125,043.69
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Solution
The fourth proportional to 312,056.49, 468,104.18 and 125,043.69 is: 187,573.32
Step by Step Solution
- Step 1: Write the proportion equation
312,056.49 : 468,104.18 = 125,043.69 : x - Step 2: Convert to fraction form
312,056.49/468,104.18 = 125,043.69/x - Step 3: Cross multiply
312,056.49x = 468,104.18 × 125,043.69 - Step 4: Simplify right side
312,056.49x = 58,533,473,346.41 - Step 5: Solve for x
x = 58,533,473,346.41/312,056.49 - Step 6: Final answer
x = 187,573.32
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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.