Finding the Fourth Proportional to 141,354.02, 212,012.79 and 117,808.66
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Solution
The fourth proportional to 141,354.02, 212,012.79 and 117,808.66 is: 176,697.79
Step by Step Solution
- Step 1: Write the proportion equation
141,354.02 : 212,012.79 = 117,808.66 : x - Step 2: Convert to fraction form
141,354.02/212,012.79 = 117,808.66/x - Step 3: Cross multiply
141,354.02x = 212,012.79 × 117,808.66 - Step 4: Simplify right side
141,354.02x = 24,976,942,692.76 - Step 5: Solve for x
x = 24,976,942,692.76/141,354.02 - Step 6: Final answer
x = 176,697.79
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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.