Finding the Fourth Proportional to 245,142.99, 367,825.38 and 125,137.95
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Solution
The fourth proportional to 245,142.99, 367,825.38 and 125,137.95 is: 187,763.53
Step by Step Solution
- Step 1: Write the proportion equation
245,142.99 : 367,825.38 = 125,137.95 : x - Step 2: Convert to fraction form
245,142.99/367,825.38 = 125,137.95/x - Step 3: Cross multiply
245,142.99x = 367,825.38 × 125,137.95 - Step 4: Simplify right side
245,142.99x = 46,028,914,011.17 - Step 5: Solve for x
x = 46,028,914,011.17/245,142.99 - Step 6: Final answer
x = 187,763.53
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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.