Finding the Fourth Proportional to 150,388.68, 207,516.68 and 89,937.27
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Solution
The fourth proportional to 150,388.68, 207,516.68 and 89,937.27 is: 124,101.65
Step by Step Solution
- Step 1: Write the proportion equation
150,388.68 : 207,516.68 = 89,937.27 : x - Step 2: Convert to fraction form
150,388.68/207,516.68 = 89,937.27/x - Step 3: Cross multiply
150,388.68x = 207,516.68 × 89,937.27 - Step 4: Simplify right side
150,388.68x = 18,663,483,566.24 - Step 5: Solve for x
x = 18,663,483,566.24/150,388.68 - Step 6: Final answer
x = 124,101.65
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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.