Finding the Fourth Proportional to 245,627.80, 368,596.74 and 140,651.80
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Solution
The fourth proportional to 245,627.80, 368,596.74 and 140,651.80 is: 211,066.48
Step by Step Solution
- Step 1: Write the proportion equation
245,627.80 : 368,596.74 = 140,651.80 : x - Step 2: Convert to fraction form
245,627.80/368,596.74 = 140,651.80/x - Step 3: Cross multiply
245,627.80x = 368,596.74 × 140,651.80 - Step 4: Simplify right side
245,627.80x = 51,843,794,955.13 - Step 5: Solve for x
x = 51,843,794,955.13/245,627.80 - Step 6: Final answer
x = 211,066.48
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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.