Finding the Fourth Proportional to 317,259.30, 474,953.97 and 277,893.30
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Solution
The fourth proportional to 317,259.30, 474,953.97 and 277,893.30 is: 416,020.98
Step by Step Solution
- Step 1: Write the proportion equation
317,259.30 : 474,953.97 = 277,893.30 : x - Step 2: Convert to fraction form
317,259.30/474,953.97 = 277,893.30/x - Step 3: Cross multiply
317,259.30x = 474,953.97 × 277,893.30 - Step 4: Simplify right side
317,259.30x = 131,986,526,071.40 - Step 5: Solve for x
x = 131,986,526,071.40/317,259.30 - Step 6: Final answer
x = 416,020.98
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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.