Finding the Fourth Proportional to 239,478.95, 330,483.26 and 132,052.79
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Solution
The fourth proportional to 239,478.95, 330,483.26 and 132,052.79 is: 182,234.12
Step by Step Solution
- Step 1: Write the proportion equation
239,478.95 : 330,483.26 = 132,052.79 : x - Step 2: Convert to fraction form
239,478.95/330,483.26 = 132,052.79/x - Step 3: Cross multiply
239,478.95x = 330,483.26 × 132,052.79 - Step 4: Simplify right side
239,478.95x = 43,641,235,871.03 - Step 5: Solve for x
x = 43,641,235,871.03/239,478.95 - Step 6: Final answer
x = 182,234.12
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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.