Finding the Fourth Proportional to 354,497.99, 489,189.53 and 201,516.12
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Solution
The fourth proportional to 354,497.99, 489,189.53 and 201,516.12 is: 278,082.19
Step by Step Solution
- Step 1: Write the proportion equation
354,497.99 : 489,189.53 = 201,516.12 : x - Step 2: Convert to fraction form
354,497.99/489,189.53 = 201,516.12/x - Step 3: Cross multiply
354,497.99x = 489,189.53 × 201,516.12 - Step 4: Simplify right side
354,497.99x = 98,579,576,534.01 - Step 5: Solve for x
x = 98,579,576,534.01/354,497.99 - Step 6: Final answer
x = 278,082.19
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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.