Finding the Fourth Proportional to 237,990.76, 357,092.75 and 129,955.66
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Solution
The fourth proportional to 237,990.76, 357,092.75 and 129,955.66 is: 194,991.70
Step by Step Solution
- Step 1: Write the proportion equation
237,990.76 : 357,092.75 = 129,955.66 : x - Step 2: Convert to fraction form
237,990.76/357,092.75 = 129,955.66/x - Step 3: Cross multiply
237,990.76x = 357,092.75 × 129,955.66 - Step 4: Simplify right side
237,990.76x = 46,406,223,439.62 - Step 5: Solve for x
x = 46,406,223,439.62/237,990.76 - Step 6: Final answer
x = 194,991.70
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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.