Finding the Fourth Proportional to 510,420.02, 765,571.68 and 136,472.18
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Solution
The fourth proportional to 510,420.02, 765,571.68 and 136,472.18 is: 204,692.66
Step by Step Solution
- Step 1: Write the proportion equation
510,420.02 : 765,571.68 = 136,472.18 : x - Step 2: Convert to fraction form
510,420.02/765,571.68 = 136,472.18/x - Step 3: Cross multiply
510,420.02x = 765,571.68 × 136,472.18 - Step 4: Simplify right side
510,420.02x = 104,479,232,288.00 - Step 5: Solve for x
x = 104,479,232,288.00/510,420.02 - Step 6: Final answer
x = 204,692.66
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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.