Finding the Fourth Proportional to 513,353.93, 770,083.70 and 193,774.98
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Solution
The fourth proportional to 513,353.93, 770,083.70 and 193,774.98 is: 290,682.40
Step by Step Solution
- Step 1: Write the proportion equation
513,353.93 : 770,083.70 = 193,774.98 : x - Step 2: Convert to fraction form
513,353.93/770,083.70 = 193,774.98/x - Step 3: Cross multiply
513,353.93x = 770,083.70 × 193,774.98 - Step 4: Simplify right side
513,353.93x = 149,222,952,596.95 - Step 5: Solve for x
x = 149,222,952,596.95/513,353.93 - Step 6: Final answer
x = 290,682.40
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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.