Finding the Fourth Proportional to 211,415.99, 316,501.91 and 141,120.95
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Solution
The fourth proportional to 211,415.99, 316,501.91 and 141,120.95 is: 211,266.18
Step by Step Solution
- Step 1: Write the proportion equation
211,415.99 : 316,501.91 = 141,120.95 : x - Step 2: Convert to fraction form
211,415.99/316,501.91 = 141,120.95/x - Step 3: Cross multiply
211,415.99x = 316,501.91 × 141,120.95 - Step 4: Simplify right side
211,415.99x = 44,665,049,510.41 - Step 5: Solve for x
x = 44,665,049,510.41/211,415.99 - Step 6: Final answer
x = 211,266.18
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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.