Finding the Fourth Proportional to 239,342.04, 358,674.08 and 132,772.57
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Solution
The fourth proportional to 239,342.04, 358,674.08 and 132,772.57 is: 198,970.80
Step by Step Solution
- Step 1: Write the proportion equation
239,342.04 : 358,674.08 = 132,772.57 : x - Step 2: Convert to fraction form
239,342.04/358,674.08 = 132,772.57/x - Step 3: Cross multiply
239,342.04x = 358,674.08 × 132,772.57 - Step 4: Simplify right side
239,342.04x = 47,622,077,833.44 - Step 5: Solve for x
x = 47,622,077,833.44/239,342.04 - Step 6: Final answer
x = 198,970.80
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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.