Finding the Fourth Proportional to 281,763.84, 388,873.97 and 174,368.47
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Solution
The fourth proportional to 281,763.84, 388,873.97 and 174,368.47 is: 240,653.16
Step by Step Solution
- Step 1: Write the proportion equation
281,763.84 : 388,873.97 = 174,368.47 : x - Step 2: Convert to fraction form
281,763.84/388,873.97 = 174,368.47/x - Step 3: Cross multiply
281,763.84x = 388,873.97 × 174,368.47 - Step 4: Simplify right side
281,763.84x = 67,807,359,201.13 - Step 5: Solve for x
x = 67,807,359,201.13/281,763.84 - Step 6: Final answer
x = 240,653.16
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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.