Finding the Fourth Proportional to 370,136.64, 555,121.92 and 170,265.12
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Solution
The fourth proportional to 370,136.64, 555,121.92 and 170,265.12 is: 255,359.48
Step by Step Solution
- Step 1: Write the proportion equation
370,136.64 : 555,121.92 = 170,265.12 : x - Step 2: Convert to fraction form
370,136.64/555,121.92 = 170,265.12/x - Step 3: Cross multiply
370,136.64x = 555,121.92 × 170,265.12 - Step 4: Simplify right side
370,136.64x = 94,517,900,323.43 - Step 5: Solve for x
x = 94,517,900,323.43/370,136.64 - Step 6: Final answer
x = 255,359.48
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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.