Finding the Fourth Proportional to 274,706.12, 413,931.05 and 225,879.99
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Solution
The fourth proportional to 274,706.12, 413,931.05 and 225,879.99 is: 340,359.15
Step by Step Solution
- Step 1: Write the proportion equation
274,706.12 : 413,931.05 = 225,879.99 : x - Step 2: Convert to fraction form
274,706.12/413,931.05 = 225,879.99/x - Step 3: Cross multiply
274,706.12x = 413,931.05 × 225,879.99 - Step 4: Simplify right side
274,706.12x = 93,498,740,305.29 - Step 5: Solve for x
x = 93,498,740,305.29/274,706.12 - Step 6: Final answer
x = 340,359.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.