Finding the Fourth Proportional to 490,866.99, 736,418.97 and 170,972.07
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Solution
The fourth proportional to 490,866.99, 736,418.97 and 170,972.07 is: 256,499.37
Step by Step Solution
- Step 1: Write the proportion equation
490,866.99 : 736,418.97 = 170,972.07 : x - Step 2: Convert to fraction form
490,866.99/736,418.97 = 170,972.07/x - Step 3: Cross multiply
490,866.99x = 736,418.97 × 170,972.07 - Step 4: Simplify right side
490,866.99x = 125,907,075,688.17 - Step 5: Solve for x
x = 125,907,075,688.17/490,866.99 - Step 6: Final answer
x = 256,499.37
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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.