Finding the Fourth Proportional to 347,197.65, 478,939.85 and 201,987.12
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Solution
The fourth proportional to 347,197.65, 478,939.85 and 201,987.12 is: 278,630.00
Step by Step Solution
- Step 1: Write the proportion equation
347,197.65 : 478,939.85 = 201,987.12 : x - Step 2: Convert to fraction form
347,197.65/478,939.85 = 201,987.12/x - Step 3: Cross multiply
347,197.65x = 478,939.85 × 201,987.12 - Step 4: Simplify right side
347,197.65x = 96,739,679,944.80 - Step 5: Solve for x
x = 96,739,679,944.80/347,197.65 - Step 6: Final answer
x = 278,630.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.