Finding the Fourth Proportional to 150,600.70, 207,827.73 and 81,689.99
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Solution
The fourth proportional to 150,600.70, 207,827.73 and 81,689.99 is: 112,731.52
Step by Step Solution
- Step 1: Write the proportion equation
150,600.70 : 207,827.73 = 81,689.99 : x - Step 2: Convert to fraction form
150,600.70/207,827.73 = 81,689.99/x - Step 3: Cross multiply
150,600.70x = 207,827.73 × 81,689.99 - Step 4: Simplify right side
150,600.70x = 16,977,444,870.08 - Step 5: Solve for x
x = 16,977,444,870.08/150,600.70 - Step 6: Final answer
x = 112,731.52
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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.