Finding the Fourth Proportional to 76,905.98, 115,358.26 and 24,315.48
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Solution
The fourth proportional to 76,905.98, 115,358.26 and 24,315.48 is: 36,473.00
Step by Step Solution
- Step 1: Write the proportion equation
76,905.98 : 115,358.26 = 24,315.48 : x - Step 2: Convert to fraction form
76,905.98/115,358.26 = 24,315.48/x - Step 3: Cross multiply
76,905.98x = 115,358.26 × 24,315.48 - Step 4: Simplify right side
76,905.98x = 2,804,991,463.86 - Step 5: Solve for x
x = 2,804,991,463.86/76,905.98 - Step 6: Final answer
x = 36,473.00
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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.