Finding the Fourth Proportional to 427,215.53, 589,555.88 and 240,932.18
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Solution
The fourth proportional to 427,215.53, 589,555.88 and 240,932.18 is: 332,485.53
Step by Step Solution
- Step 1: Write the proportion equation
427,215.53 : 589,555.88 = 240,932.18 : x - Step 2: Convert to fraction form
427,215.53/589,555.88 = 240,932.18/x - Step 3: Cross multiply
427,215.53x = 589,555.88 × 240,932.18 - Step 4: Simplify right side
427,215.53x = 142,042,979,247.78 - Step 5: Solve for x
x = 142,042,979,247.78/427,215.53 - Step 6: Final answer
x = 332,485.53
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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.