Finding the Fourth Proportional to 150,154.24, 207,203.52 and 83,087.68
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Solution
The fourth proportional to 150,154.24, 207,203.52 and 83,087.68 is: 114,655.83
Step by Step Solution
- Step 1: Write the proportion equation
150,154.24 : 207,203.52 = 83,087.68 : x - Step 2: Convert to fraction form
150,154.24/207,203.52 = 83,087.68/x - Step 3: Cross multiply
150,154.24x = 207,203.52 × 83,087.68 - Step 4: Simplify right side
150,154.24x = 17,216,059,764.63 - Step 5: Solve for x
x = 17,216,059,764.63/150,154.24 - Step 6: Final answer
x = 114,655.83
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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.