Finding the Fourth Proportional to 345,482.84, 518,293.92 and 145,803.44
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Solution
The fourth proportional to 345,482.84, 518,293.92 and 145,803.44 is: 218,734.56
Step by Step Solution
- Step 1: Write the proportion equation
345,482.84 : 518,293.92 = 145,803.44 : x - Step 2: Convert to fraction form
345,482.84/518,293.92 = 145,803.44/x - Step 3: Cross multiply
345,482.84x = 518,293.92 × 145,803.44 - Step 4: Simplify right side
345,482.84x = 75,569,036,467.08 - Step 5: Solve for x
x = 75,569,036,467.08/345,482.84 - Step 6: Final answer
x = 218,734.56
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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.