Finding the Fourth Proportional to 211,430.99, 316,524.40 and 141,135.95
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Solution
The fourth proportional to 211,430.99, 316,524.40 and 141,135.95 is: 211,288.67
Step by Step Solution
- Step 1: Write the proportion equation
211,430.99 : 316,524.40 = 141,135.95 : x - Step 2: Convert to fraction form
211,430.99/316,524.40 = 141,135.95/x - Step 3: Cross multiply
211,430.99x = 316,524.40 × 141,135.95 - Step 4: Simplify right side
211,430.99x = 44,672,971,892.18 - Step 5: Solve for x
x = 44,672,971,892.18/211,430.99 - Step 6: Final answer
x = 211,288.67
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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.