Finding the Fourth Proportional to 212,812.99, 319,266.18 and 63,065.00
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Solution
The fourth proportional to 212,812.99, 319,266.18 and 63,065.00 is: 94,611.33
Step by Step Solution
- Step 1: Write the proportion equation
212,812.99 : 319,266.18 = 63,065.00 : x - Step 2: Convert to fraction form
212,812.99/319,266.18 = 63,065.00/x - Step 3: Cross multiply
212,812.99x = 319,266.18 × 63,065.00 - Step 4: Simplify right side
212,812.99x = 20,134,520,045.37 - Step 5: Solve for x
x = 20,134,520,045.37/212,812.99 - Step 6: Final answer
x = 94,611.33
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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.