Finding the Fourth Proportional to 150,497.15, 207,656.82 and 89,232.02
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Solution
The fourth proportional to 150,497.15, 207,656.82 and 89,232.02 is: 123,122.85
Step by Step Solution
- Step 1: Write the proportion equation
150,497.15 : 207,656.82 = 89,232.02 : x - Step 2: Convert to fraction form
150,497.15/207,656.82 = 89,232.02/x - Step 3: Cross multiply
150,497.15x = 207,656.82 × 89,232.02 - Step 4: Simplify right side
150,497.15x = 18,529,637,069.22 - Step 5: Solve for x
x = 18,529,637,069.22/150,497.15 - Step 6: Final answer
x = 123,122.85
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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.