Finding the Fourth Proportional to 255,969.98, 353,074.11 and 155,367.98
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Solution
The fourth proportional to 255,969.98, 353,074.11 and 155,367.98 is: 214,307.99
Step by Step Solution
- Step 1: Write the proportion equation
255,969.98 : 353,074.11 = 155,367.98 : x - Step 2: Convert to fraction form
255,969.98/353,074.11 = 155,367.98/x - Step 3: Cross multiply
255,969.98x = 353,074.11 × 155,367.98 - Step 4: Simplify right side
255,969.98x = 54,856,411,261.00 - Step 5: Solve for x
x = 54,856,411,261.00/255,969.98 - Step 6: Final answer
x = 214,307.99
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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.