Finding the Fourth Proportional to 592,021.72, 887,812.13 and 212,838.99
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Solution
The fourth proportional to 592,021.72, 887,812.13 and 212,838.99 is: 319,179.22
Step by Step Solution
- Step 1: Write the proportion equation
592,021.72 : 887,812.13 = 212,838.99 : x - Step 2: Convert to fraction form
592,021.72/887,812.13 = 212,838.99/x - Step 3: Cross multiply
592,021.72x = 887,812.13 × 212,838.99 - Step 4: Simplify right side
592,021.72x = 188,961,033,064.53 - Step 5: Solve for x
x = 188,961,033,064.53/592,021.72 - Step 6: Final answer
x = 319,179.22
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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.