Finding the Fourth Proportional to 281,762.37, 388,871.93 and 174,366.99
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Solution
The fourth proportional to 281,762.37, 388,871.93 and 174,366.99 is: 240,651.11
Step by Step Solution
- Step 1: Write the proportion equation
281,762.37 : 388,871.93 = 174,366.99 : x - Step 2: Convert to fraction form
281,762.37/388,871.93 = 174,366.99/x - Step 3: Cross multiply
281,762.37x = 388,871.93 × 174,366.99 - Step 4: Simplify right side
281,762.37x = 67,806,427,929.59 - Step 5: Solve for x
x = 67,806,427,929.59/281,762.37 - Step 6: Final answer
x = 240,651.11
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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.