Finding the Fourth Proportional to 77,204.40, 115,796.88 and 24,619.20
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Solution
The fourth proportional to 77,204.40, 115,796.88 and 24,619.20 is: 36,925.70
Step by Step Solution
- Step 1: Write the proportion equation
77,204.40 : 115,796.88 = 24,619.20 : x - Step 2: Convert to fraction form
77,204.40/115,796.88 = 24,619.20/x - Step 3: Cross multiply
77,204.40x = 115,796.88 × 24,619.20 - Step 4: Simplify right side
77,204.40x = 2,850,826,548.10 - Step 5: Solve for x
x = 2,850,826,548.10/77,204.40 - Step 6: Final answer
x = 36,925.70
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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.