Finding the Fourth Proportional to 158,628.65, 237,475.49 and 138,945.65
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Solution
The fourth proportional to 158,628.65, 237,475.49 and 138,945.65 is: 208,008.99
Step by Step Solution
- Step 1: Write the proportion equation
158,628.65 : 237,475.49 = 138,945.65 : x - Step 2: Convert to fraction form
158,628.65/237,475.49 = 138,945.65/x - Step 3: Cross multiply
158,628.65x = 237,475.49 × 138,945.65 - Step 4: Simplify right side
158,628.65x = 32,996,185,622.39 - Step 5: Solve for x
x = 32,996,185,622.39/158,628.65 - Step 6: Final answer
x = 208,008.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.