Finding the Fourth Proportional to 281,758.37, 388,866.40 and 174,362.99
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Solution
The fourth proportional to 281,758.37, 388,866.40 and 174,362.99 is: 240,645.58
Step by Step Solution
- Step 1: Write the proportion equation
281,758.37 : 388,866.40 = 174,362.99 : x - Step 2: Convert to fraction form
281,758.37/388,866.40 = 174,362.99/x - Step 3: Cross multiply
281,758.37x = 388,866.40 × 174,362.99 - Step 4: Simplify right side
281,758.37x = 67,803,905,834.30 - Step 5: Solve for x
x = 67,803,905,834.30/281,758.37 - Step 6: Final answer
x = 240,645.58
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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.