Finding the Fourth Proportional to 207,065.20, 310,302.60 and 118,130.80
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Solution
The fourth proportional to 207,065.20, 310,302.60 and 118,130.80 is: 177,027.79
Step by Step Solution
- Step 1: Write the proportion equation
207,065.20 : 310,302.60 = 118,130.80 : x - Step 2: Convert to fraction form
207,065.20/310,302.60 = 118,130.80/x - Step 3: Cross multiply
207,065.20x = 310,302.60 × 118,130.80 - Step 4: Simplify right side
207,065.20x = 36,656,294,380.08 - Step 5: Solve for x
x = 36,656,294,380.08/207,065.20 - Step 6: Final answer
x = 177,027.79
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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.