Finding the Fourth Proportional to 621,090.08, 931,635.34 and 194,658.99
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Solution
The fourth proportional to 621,090.08, 931,635.34 and 194,658.99 is: 291,988.56
Step by Step Solution
- Step 1: Write the proportion equation
621,090.08 : 931,635.34 = 194,658.99 : x - Step 2: Convert to fraction form
621,090.08/931,635.34 = 194,658.99/x - Step 3: Cross multiply
621,090.08x = 931,635.34 × 194,658.99 - Step 4: Simplify right side
621,090.08x = 181,351,197,383.26 - Step 5: Solve for x
x = 181,351,197,383.26/621,090.08 - Step 6: Final answer
x = 291,988.56
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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.