Finding the Fourth Proportional to 340,847.63, 471,220.04 and 255,817.07
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Solution
The fourth proportional to 340,847.63, 471,220.04 and 255,817.07 is: 353,665.74
Step by Step Solution
- Step 1: Write the proportion equation
340,847.63 : 471,220.04 = 255,817.07 : x - Step 2: Convert to fraction form
340,847.63/471,220.04 = 255,817.07/x - Step 3: Cross multiply
340,847.63x = 471,220.04 × 255,817.07 - Step 4: Simplify right side
340,847.63x = 120,546,128,679.00 - Step 5: Solve for x
x = 120,546,128,679.00/340,847.63 - Step 6: Final answer
x = 353,665.74
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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.