Finding the Fourth Proportional to 150,416.60, 207,519.99 and 89,988.98
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Solution
The fourth proportional to 150,416.60, 207,519.99 and 89,988.98 is: 124,151.94
Step by Step Solution
- Step 1: Write the proportion equation
150,416.60 : 207,519.99 = 89,988.98 : x - Step 2: Convert to fraction form
150,416.60/207,519.99 = 89,988.98/x - Step 3: Cross multiply
150,416.60x = 207,519.99 × 89,988.98 - Step 4: Simplify right side
150,416.60x = 18,674,512,229.71 - Step 5: Solve for x
x = 18,674,512,229.71/150,416.60 - Step 6: Final answer
x = 124,151.94
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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.