Finding the Fourth Proportional to 199,492.99, 300,572.14 and 180,543.07
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Solution
The fourth proportional to 199,492.99, 300,572.14 and 180,543.07 is: 272,020.67
Step by Step Solution
- Step 1: Write the proportion equation
199,492.99 : 300,572.14 = 180,543.07 : x - Step 2: Convert to fraction form
199,492.99/300,572.14 = 180,543.07/x - Step 3: Cross multiply
199,492.99x = 300,572.14 × 180,543.07 - Step 4: Simplify right side
199,492.99x = 54,266,216,912.07 - Step 5: Solve for x
x = 54,266,216,912.07/199,492.99 - Step 6: Final answer
x = 272,020.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.