Finding the Fourth Proportional to 76,108.16, 114,130.12 and 22,807.70
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Solution
The fourth proportional to 76,108.16, 114,130.12 and 22,807.70 is: 34,201.92
Step by Step Solution
- Step 1: Write the proportion equation
76,108.16 : 114,130.12 = 22,807.70 : x - Step 2: Convert to fraction form
76,108.16/114,130.12 = 22,807.70/x - Step 3: Cross multiply
76,108.16x = 114,130.12 × 22,807.70 - Step 4: Simplify right side
76,108.16x = 2,603,045,537.92 - Step 5: Solve for x
x = 2,603,045,537.92/76,108.16 - Step 6: Final answer
x = 34,201.92
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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.