Finding the Fourth Proportional to 349,688.95, 482,553.11 and 206,421.28
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Solution
The fourth proportional to 349,688.95, 482,553.11 and 206,421.28 is: 284,850.95
Step by Step Solution
- Step 1: Write the proportion equation
349,688.95 : 482,553.11 = 206,421.28 : x - Step 2: Convert to fraction form
349,688.95/482,553.11 = 206,421.28/x - Step 3: Cross multiply
349,688.95x = 482,553.11 × 206,421.28 - Step 4: Simplify right side
349,688.95x = 99,609,229,943.85 - Step 5: Solve for x
x = 99,609,229,943.85/349,688.95 - Step 6: Final answer
x = 284,850.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.