Finding the Fourth Proportional to 158,629.65, 237,476.99 and 138,946.65
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Solution
The fourth proportional to 158,629.65, 237,476.99 and 138,946.65 is: 208,010.49
Step by Step Solution
- Step 1: Write the proportion equation
158,629.65 : 237,476.99 = 138,946.65 : x - Step 2: Convert to fraction form
158,629.65/237,476.99 = 138,946.65/x - Step 3: Cross multiply
158,629.65x = 237,476.99 × 138,946.65 - Step 4: Simplify right side
158,629.65x = 32,996,631,517.85 - Step 5: Solve for x
x = 32,996,631,517.85/158,629.65 - Step 6: Final answer
x = 208,010.49
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1.5x scale
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.