Finding the Fourth Proportional to 77,206.36, 115,808.32 and 24,615.49
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Solution
The fourth proportional to 77,206.36, 115,808.32 and 24,615.49 is: 36,922.85
Step by Step Solution
- Step 1: Write the proportion equation
77,206.36 : 115,808.32 = 24,615.49 : x - Step 2: Convert to fraction form
77,206.36/115,808.32 = 24,615.49/x - Step 3: Cross multiply
77,206.36x = 115,808.32 × 24,615.49 - Step 4: Simplify right side
77,206.36x = 2,850,678,542.88 - Step 5: Solve for x
x = 2,850,678,542.88/77,206.36 - Step 6: Final answer
x = 36,922.85
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1.5x scale
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.