Finding the Fourth Proportional to 205,740.08, 283,921.73 and 115,097.56
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Solution
The fourth proportional to 205,740.08, 283,921.73 and 115,097.56 is: 158,834.87
Step by Step Solution
- Step 1: Write the proportion equation
205,740.08 : 283,921.73 = 115,097.56 : x - Step 2: Convert to fraction form
205,740.08/283,921.73 = 115,097.56/x - Step 3: Cross multiply
205,740.08x = 283,921.73 × 115,097.56 - Step 4: Simplify right side
205,740.08x = 32,678,698,353.98 - Step 5: Solve for x
x = 32,678,698,353.98/205,740.08 - Step 6: Final answer
x = 158,834.87
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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.