Finding the Fourth Proportional to 339,154.75, 508,742.99 and 170,583.07
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Solution
The fourth proportional to 339,154.75, 508,742.99 and 170,583.07 is: 255,880.07
Step by Step Solution
- Step 1: Write the proportion equation
339,154.75 : 508,742.99 = 170,583.07 : x - Step 2: Convert to fraction form
339,154.75/508,742.99 = 170,583.07/x - Step 3: Cross multiply
339,154.75x = 508,742.99 × 170,583.07 - Step 4: Simplify right side
339,154.75x = 86,782,941,075.18 - Step 5: Solve for x
x = 86,782,941,075.18/339,154.75 - Step 6: Final answer
x = 255,880.07
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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.