Finding the Fourth Proportional to 75,240.24, 112,848.84 and 19,840.56
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Solution
The fourth proportional to 75,240.24, 112,848.84 and 19,840.56 is: 29,757.80
Step by Step Solution
- Step 1: Write the proportion equation
75,240.24 : 112,848.84 = 19,840.56 : x - Step 2: Convert to fraction form
75,240.24/112,848.84 = 19,840.56/x - Step 3: Cross multiply
75,240.24x = 112,848.84 × 19,840.56 - Step 4: Simplify right side
75,240.24x = 2,238,984,180.95 - Step 5: Solve for x
x = 2,238,984,180.95/75,240.24 - Step 6: Final answer
x = 29,757.80
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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.