Finding the Fourth Proportional to 150,972.58, 208,344.74 and 82,992.41
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Solution
The fourth proportional to 150,972.58, 208,344.74 and 82,992.41 is: 114,530.95
Step by Step Solution
- Step 1: Write the proportion equation
150,972.58 : 208,344.74 = 82,992.41 : x - Step 2: Convert to fraction form
150,972.58/208,344.74 = 82,992.41/x - Step 3: Cross multiply
150,972.58x = 208,344.74 × 82,992.41 - Step 4: Simplify right side
150,972.58x = 17,291,032,604.29 - Step 5: Solve for x
x = 17,291,032,604.29/150,972.58 - Step 6: Final answer
x = 114,530.95
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1.5x scale
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.