Finding the Fourth Proportional to 266,133.60, 398,617.20 and 236,584.80
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Solution
The fourth proportional to 266,133.60, 398,617.20 and 236,584.80 is: 354,358.75
Step by Step Solution
- Step 1: Write the proportion equation
266,133.60 : 398,617.20 = 236,584.80 : x - Step 2: Convert to fraction form
266,133.60/398,617.20 = 236,584.80/x - Step 3: Cross multiply
266,133.60x = 398,617.20 × 236,584.80 - Step 4: Simplify right side
266,133.60x = 94,306,770,538.56 - Step 5: Solve for x
x = 94,306,770,538.56/266,133.60 - Step 6: Final answer
x = 354,358.75
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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.