Finding the Fourth Proportional to 141,178.21, 211,808.78 and 56,894.99
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Solution
The fourth proportional to 141,178.21, 211,808.78 and 56,894.99 is: 85,359.20
Step by Step Solution
- Step 1: Write the proportion equation
141,178.21 : 211,808.78 = 56,894.99 : x - Step 2: Convert to fraction form
141,178.21/211,808.78 = 56,894.99/x - Step 3: Cross multiply
141,178.21x = 211,808.78 × 56,894.99 - Step 4: Simplify right side
141,178.21x = 12,050,858,420.01 - Step 5: Solve for x
x = 12,050,858,420.01/141,178.21 - Step 6: Final answer
x = 85,359.20
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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.