Finding the Fourth Proportional to 443,847.99, 665,776.84 and 128,307.63
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Solution
The fourth proportional to 443,847.99, 665,776.84 and 128,307.63 is: 192,462.84
Step by Step Solution
- Step 1: Write the proportion equation
443,847.99 : 665,776.84 = 128,307.63 : x - Step 2: Convert to fraction form
443,847.99/665,776.84 = 128,307.63/x - Step 3: Cross multiply
443,847.99x = 665,776.84 × 128,307.63 - Step 4: Simplify right side
443,847.99x = 85,424,244,799.64 - Step 5: Solve for x
x = 85,424,244,799.64/443,847.99 - Step 6: Final answer
x = 192,462.84
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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.