Finding the Fourth Proportional to 193,615.80, 290,423.70 and 160,847.80
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Solution
The fourth proportional to 193,615.80, 290,423.70 and 160,847.80 is: 241,271.70
Step by Step Solution
- Step 1: Write the proportion equation
193,615.80 : 290,423.70 = 160,847.80 : x - Step 2: Convert to fraction form
193,615.80/290,423.70 = 160,847.80/x - Step 3: Cross multiply
193,615.80x = 290,423.70 × 160,847.80 - Step 4: Simplify right side
193,615.80x = 46,714,013,212.86 - Step 5: Solve for x
x = 46,714,013,212.86/193,615.80 - Step 6: Final answer
x = 241,271.70
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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.