Finding the Fourth Proportional to 345,139.95, 517,783.85 and 195,450.99
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Solution
The fourth proportional to 345,139.95, 517,783.85 and 195,450.99 is: 293,218.35
Step by Step Solution
- Step 1: Write the proportion equation
345,139.95 : 517,783.85 = 195,450.99 : x - Step 2: Convert to fraction form
345,139.95/517,783.85 = 195,450.99/x - Step 3: Cross multiply
345,139.95x = 517,783.85 × 195,450.99 - Step 4: Simplify right side
345,139.95x = 101,201,365,111.26 - Step 5: Solve for x
x = 101,201,365,111.26/345,139.95 - Step 6: Final answer
x = 293,218.35
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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.