Finding the Fourth Proportional to 415,724.00, 573,790.94 and 270,276.65
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Solution
The fourth proportional to 415,724.00, 573,790.94 and 270,276.65 is: 373,041.47
Step by Step Solution
- Step 1: Write the proportion equation
415,724.00 : 573,790.94 = 270,276.65 : x - Step 2: Convert to fraction form
415,724.00/573,790.94 = 270,276.65/x - Step 3: Cross multiply
415,724.00x = 573,790.94 × 270,276.65 - Step 4: Simplify right side
415,724.00x = 155,082,292,008.47 - Step 5: Solve for x
x = 155,082,292,008.47/415,724.00 - Step 6: Final answer
x = 373,041.47
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1.5x scale
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.