Finding the Fourth Proportional to 330,922.08, 496,283.90 and 141,374.79
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Solution
The fourth proportional to 330,922.08, 496,283.90 and 141,374.79 is: 212,019.79
Step by Step Solution
- Step 1: Write the proportion equation
330,922.08 : 496,283.90 = 141,374.79 : x - Step 2: Convert to fraction form
330,922.08/496,283.90 = 141,374.79/x - Step 3: Cross multiply
330,922.08x = 496,283.90 × 141,374.79 - Step 4: Simplify right side
330,922.08x = 70,162,031,436.01 - Step 5: Solve for x
x = 70,162,031,436.01/330,922.08 - Step 6: Final answer
x = 212,019.79
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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.