Finding the Fourth Proportional to 485,350.88, 669,784.74 and 270,486.08
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Solution
The fourth proportional to 485,350.88, 669,784.74 and 270,486.08 is: 373,271.08
Step by Step Solution
- Step 1: Write the proportion equation
485,350.88 : 669,784.74 = 270,486.08 : x - Step 2: Convert to fraction form
485,350.88/669,784.74 = 270,486.08/x - Step 3: Cross multiply
485,350.88x = 669,784.74 × 270,486.08 - Step 4: Simplify right side
485,350.88x = 181,167,448,766.42 - Step 5: Solve for x
x = 181,167,448,766.42/485,350.88 - Step 6: Final answer
x = 373,271.08
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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.