Finding the Fourth Proportional to 289,216.17, 433,259.27 and 199,242.99
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Solution
The fourth proportional to 289,216.17, 433,259.27 and 199,242.99 is: 298,475.26
Step by Step Solution
- Step 1: Write the proportion equation
289,216.17 : 433,259.27 = 199,242.99 : x - Step 2: Convert to fraction form
289,216.17/433,259.27 = 199,242.99/x - Step 3: Cross multiply
289,216.17x = 433,259.27 × 199,242.99 - Step 4: Simplify right side
289,216.17x = 86,323,872,400.02 - Step 5: Solve for x
x = 86,323,872,400.02/289,216.17 - Step 6: Final answer
x = 298,475.26
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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.