Finding the Fourth Proportional to 621,675.20, 932,512.80 and 201,252.80
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Solution
The fourth proportional to 621,675.20, 932,512.80 and 201,252.80 is: 301,879.20
Step by Step Solution
- Step 1: Write the proportion equation
621,675.20 : 932,512.80 = 201,252.80 : x - Step 2: Convert to fraction form
621,675.20/932,512.80 = 201,252.80/x - Step 3: Cross multiply
621,675.20x = 932,512.80 × 201,252.80 - Step 4: Simplify right side
621,675.20x = 187,670,812,035.84 - Step 5: Solve for x
x = 187,670,812,035.84/621,675.20 - Step 6: Final answer
x = 301,879.20
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1.5x scale
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.