Finding the Fourth Proportional to 224,739.20, 337,497.60 and 217,740.80
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Solution
The fourth proportional to 224,739.20, 337,497.60 and 217,740.80 is: 326,987.89
Step by Step Solution
- Step 1: Write the proportion equation
224,739.20 : 337,497.60 = 217,740.80 : x - Step 2: Convert to fraction form
224,739.20/337,497.60 = 217,740.80/x - Step 3: Cross multiply
224,739.20x = 337,497.60 × 217,740.80 - Step 4: Simplify right side
224,739.20x = 73,486,997,422.08 - Step 5: Solve for x
x = 73,486,997,422.08/224,739.20 - Step 6: Final answer
x = 326,987.89
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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.