Finding the Fourth Proportional to 150,395.63, 207,545.99 and 89,968.82
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Solution
The fourth proportional to 150,395.63, 207,545.99 and 89,968.82 is: 124,156.98
Step by Step Solution
- Step 1: Write the proportion equation
150,395.63 : 207,545.99 = 89,968.82 : x - Step 2: Convert to fraction form
150,395.63/207,545.99 = 89,968.82/x - Step 3: Cross multiply
150,395.63x = 207,545.99 × 89,968.82 - Step 4: Simplify right side
150,395.63x = 18,672,666,328.46 - Step 5: Solve for x
x = 18,672,666,328.46/150,395.63 - Step 6: Final answer
x = 124,156.98
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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.