Finding the Fourth Proportional to 150,551.64, 207,239.81 and 130,124.39
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Solution
The fourth proportional to 150,551.64, 207,239.81 and 130,124.39 is: 179,120.95
Step by Step Solution
- Step 1: Write the proportion equation
150,551.64 : 207,239.81 = 130,124.39 : x - Step 2: Convert to fraction form
150,551.64/207,239.81 = 130,124.39/x - Step 3: Cross multiply
150,551.64x = 207,239.81 × 130,124.39 - Step 4: Simplify right side
150,551.64x = 26,966,952,173.14 - Step 5: Solve for x
x = 26,966,952,173.14/150,551.64 - Step 6: Final answer
x = 179,120.95
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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.