Finding the Fourth Proportional to 150,655.05, 207,903.40 and 82,673.17
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Solution
The fourth proportional to 150,655.05, 207,903.40 and 82,673.17 is: 114,088.66
Step by Step Solution
- Step 1: Write the proportion equation
150,655.05 : 207,903.40 = 82,673.17 : x - Step 2: Convert to fraction form
150,655.05/207,903.40 = 82,673.17/x - Step 3: Cross multiply
150,655.05x = 207,903.40 × 82,673.17 - Step 4: Simplify right side
150,655.05x = 17,188,032,405.34 - Step 5: Solve for x
x = 17,188,032,405.34/150,655.05 - Step 6: Final answer
x = 114,088.66
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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.